diff --git a/Cargo.lock b/Cargo.lock
index 5d862c3..ca870ab 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -19,29 +19,30 @@ checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
 [[package]]
 name = "aead"
-version = "0.3.2"
+version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7fc95d1bdb8e6666b2b217308eeeb09f2d6728d104be3e31916cc74d15420331"
+checksum = "d122413f284cf2d62fb1b7db97e02edb8cda96d769b16e443a4f6195e35662b0"
 dependencies = [
+ "crypto-common",
  "generic-array",
 ]
 
 [[package]]
 name = "aes"
-version = "0.6.0"
+version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "884391ef1066acaa41e766ba8f596341b96e93ce34f9a43e7d24bf0a0eaf0561"
+checksum = "ac1f845298e95f983ff1944b728ae08b8cebab80d684f0a832ed0fc74dfa27e2"
 dependencies = [
- "aes-soft",
- "aesni",
+ "cfg-if",
  "cipher",
+ "cpufeatures",
 ]
 
 [[package]]
 name = "aes-gcm"
-version = "0.8.0"
+version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5278b5fabbb9bd46e24aa69b2fdea62c99088e0a950a9be40e3e0101298f88da"
+checksum = "209b47e8954a928e1d72e86eca7000ebb6655fe1436d33eefc2201cad027e237"
 dependencies = [
  "aead",
  "aes",
@@ -51,26 +52,6 @@ dependencies = [
  "subtle",
 ]
 
-[[package]]
-name = "aes-soft"
-version = "0.6.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be14c7498ea50828a38d0e24a765ed2effe92a705885b57d029cd67d45744072"
-dependencies = [
- "cipher",
- "opaque-debug",
-]
-
-[[package]]
-name = "aesni"
-version = "0.10.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea2e11f5e94c2f7d386164cc2aa1f97823fed6f259e486940a71c174dd01b0ce"
-dependencies = [
- "cipher",
- "opaque-debug",
-]
-
 [[package]]
 name = "android-tzdata"
 version = "0.1.1"
@@ -88,9 +69,9 @@ dependencies = [
 
 [[package]]
 name = "anstream"
-version = "0.5.0"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1f58811cfac344940f1a400b6e6231ce35171f614f26439e80f8c1465c5cc0c"
+checksum = "bff2cf94a3dbe2d57cbd56485e1bd7436455058034d6c2d47be51d4e5e4bc6ab"
 dependencies = [
  "anstyle",
  "anstyle-parse",
@@ -126,9 +107,9 @@ dependencies = [
 
 [[package]]
 name = "anstyle-wincon"
-version = "2.1.0"
+version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "58f54d10c6dfa51283a066ceab3ec1ab78d13fae00aa49243a45e4571fb79dfd"
+checksum = "0238ca56c96dfa37bdf7c373c8886dd591322500aceeeccdb2216fe06dc2f796"
 dependencies = [
  "anstyle",
  "windows-sys",
@@ -166,15 +147,15 @@ dependencies = [
 
 [[package]]
 name = "base64"
-version = "0.13.1"
+version = "0.21.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
+checksum = "35636a1494ede3b646cc98f74f8e62c773a38a659ebc777a2cf26b9b74171df9"
 
 [[package]]
-name = "base64"
-version = "0.21.2"
+name = "base64ct"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "604178f6c5c21f02dc555784810edfb88d34ac2c73b2eae109655649ee73ce3d"
+checksum = "8c3c1a368f70d6cf7302d78f8f7093da241fb8e8807c05cc9e51a125895a6d5b"
 
 [[package]]
 name = "bincode"
@@ -197,15 +178,6 @@ version = "2.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "630be753d4e58660abd17930c71b647fe46c27ea6b63cc59e1e3851406972e42"
 
-[[package]]
-name = "block-buffer"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
-dependencies = [
- "generic-array",
-]
-
 [[package]]
 name = "block-buffer"
 version = "0.10.4"
@@ -247,34 +219,34 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "chrono"
-version = "0.4.27"
+version = "0.4.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f56b4c72906975ca04becb8a30e102dfecddd0c06181e3e95ddc444be28881f8"
+checksum = "7f2c685bad3eb3d45a01354cedb7d5faa66194d1d58ba6e267a8de788f79db38"
 dependencies = [
  "android-tzdata",
  "iana-time-zone",
  "js-sys",
  "num-traits",
  "serde",
- "time 0.1.45",
  "wasm-bindgen",
  "windows-targets",
 ]
 
 [[package]]
 name = "cipher"
-version = "0.2.5"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12f8e7987cbd042a63249497f41aed09f8e65add917ea6566effbc56578d6801"
+checksum = "773f3b9af64447d2ce9850330c473515014aa235e6a783b02db81ff39e4a3dad"
 dependencies = [
- "generic-array",
+ "crypto-common",
+ "inout",
 ]
 
 [[package]]
 name = "clap"
-version = "4.4.2"
+version = "4.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a13b88d2c62ff462f88e4a121f17a82c1af05693a2f192b5c38d14de73c19f6"
+checksum = "ac495e00dcec98c83465d5ad66c5c4fabd652fd6686e7c6269b117e729a6f17b"
 dependencies = [
  "clap_builder",
  "clap_derive",
@@ -282,9 +254,9 @@ dependencies = [
 
 [[package]]
 name = "clap_builder"
-version = "4.4.2"
+version = "4.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2bb9faaa7c2ef94b2743a21f5a29e6f0010dff4caa69ac8e9d6cf8b6fa74da08"
+checksum = "c77ed9a32a62e6ca27175d00d29d05ca32e396ea1eb5fb01d8256b669cec7663"
 dependencies = [
  "anstream",
  "anstyle",
@@ -294,9 +266,9 @@ dependencies = [
 
 [[package]]
 name = "clap_derive"
-version = "4.4.2"
+version = "4.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0862016ff20d69b84ef8247369fabf5c008a7417002411897d40ee1f4532b873"
+checksum = "cf9804afaaf59a91e75b022a30fb7229a7901f60c755489cc61c9b423b836442"
 dependencies = [
  "heck",
  "proc-macro2",
@@ -306,9 +278,9 @@ dependencies = [
 
 [[package]]
 name = "clap_lex"
-version = "0.5.0"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2da6da31387c7e4ef160ffab6d5e7f00c42626fe39aea70a7b0f1773f7dd6c1b"
+checksum = "702fc72eb24e5a1e48ce58027a675bc24edd52096d5397d4aea7c6dd9eca0bd1"
 
 [[package]]
 name = "cloudabi"
@@ -335,6 +307,12 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "const-oid"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28c122c3980598d243d63d9a704629a2d748d101f278052ff068be5a4423ab6f"
+
 [[package]]
 name = "core-foundation"
 version = "0.9.3"
@@ -361,10 +339,13 @@ dependencies = [
 ]
 
 [[package]]
-name = "cpuid-bool"
-version = "0.2.0"
+name = "crc32fast"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dcb25d077389e53838a8158c8e99174c5a9d902dee4904320db714f3c653ffba"
+checksum = "b540bd8bc810d3885c6ea91e2018302f68baba2129ab3e88f32389ee9370880d"
+dependencies = [
+ "cfg-if",
+]
 
 [[package]]
 name = "crc64"
@@ -372,6 +353,28 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2707e3afba5e19b75d582d88bc79237418f2a2a2d673d01cf9b03633b46e98f3"
 
+[[package]]
+name = "crossbeam-epoch"
+version = "0.9.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae211234986c545741a7dc064309f67ee1e5ad243d0e48335adc0484d960bcc7"
+dependencies = [
+ "autocfg 1.1.0",
+ "cfg-if",
+ "crossbeam-utils",
+ "memoffset",
+ "scopeguard",
+]
+
+[[package]]
+name = "crossbeam-utils"
+version = "0.8.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a22b2d63d4d1dc0b7f1b6b2747dd0088008a9be28b6ddf0b1e7d335e3037294"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "crypto-common"
 version = "0.1.6"
@@ -379,44 +382,47 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
 dependencies = [
  "generic-array",
+ "rand_core 0.6.4",
  "typenum",
 ]
 
 [[package]]
 name = "ctr"
-version = "0.6.0"
+version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fb4a30d54f7443bf3d6191dcd486aca19e67cb3c49fa7a06a319966346707e7f"
+checksum = "0369ee1ad671834580515889b80f2ea915f23b8be8d0daa4bbaf2ac5c7590835"
 dependencies = [
  "cipher",
 ]
 
 [[package]]
 name = "curve25519-dalek"
-version = "3.2.1"
+version = "4.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90f9d052967f590a76e62eb387bd0bbb1b000182c3cefe5364db6b7211651bc0"
+checksum = "622178105f911d937a42cdb140730ba4a3ed2becd8ae6ce39c7d28b5d75d4588"
 dependencies = [
- "byteorder",
- "digest 0.9.0",
- "rand_core 0.5.1",
+ "cfg-if",
+ "cpufeatures",
+ "curve25519-dalek-derive",
+ "digest",
+ "fiat-crypto",
+ "platforms",
+ "rand_core 0.6.4",
+ "rustc_version",
+ "serde",
  "subtle",
  "zeroize",
 ]
 
 [[package]]
-name = "curve25519-dalek-ng"
-version = "3.0.3"
+name = "curve25519-dalek-derive"
+version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b8dfd4d479156d9ad3fe6d1562f78ff31a9ba8831d3575126061541c7294e48"
+checksum = "83fdaf97f4804dcebfa5862639bc9ce4121e82140bec2a987ac5140294865b5b"
 dependencies = [
- "byteorder",
- "digest 0.9.0",
- "packed_simd_2",
- "rand_core 0.5.1",
- "serde",
- "subtle-ng",
- "zeroize",
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
@@ -455,21 +461,23 @@ dependencies = [
 ]
 
 [[package]]
-name = "deranged"
-version = "0.3.8"
+name = "der"
+version = "0.7.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2696e8a945f658fd14dc3b87242e6b80cd0f36ff04ea560fa39082368847946"
+checksum = "fffa369a668c8af7dbf8b5e56c9f744fbd399949ed171606040001947de40b1c"
 dependencies = [
- "serde",
+ "const-oid",
+ "zeroize",
 ]
 
 [[package]]
-name = "digest"
-version = "0.9.0"
+name = "deranged"
+version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
+checksum = "0f32d04922c60427da6f9fef14d042d9edddef64cb9d4ce0d64d0685fbeb1fd3"
 dependencies = [
- "generic-array",
+ "powerfmt",
+ "serde",
 ]
 
 [[package]]
@@ -478,31 +486,37 @@ version = "0.10.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
 dependencies = [
- "block-buffer 0.10.4",
+ "block-buffer",
  "crypto-common",
 ]
 
 [[package]]
-name = "ed25519"
-version = "1.5.3"
+name = "dtoa"
+version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91cff35c70bba8a626e3185d8cd48cc11b5437e1a5bcd15b9b5fa3c64b6dfee7"
+checksum = "dcbb2bf8e87535c23f7a8a321e364ce21462d0ff10cb6407820e8e96dfff6653"
+
+[[package]]
+name = "ed25519"
+version = "2.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60f6d271ca33075c88028be6f04d502853d63a5ece419d269c15315d4fc1cf1d"
 dependencies = [
+ "pkcs8",
  "serde",
  "signature",
 ]
 
 [[package]]
 name = "ed25519-dalek"
-version = "1.0.1"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c762bae6dcaf24c4c84667b8579785430908723d5c889f469d76a41d59cc7a9d"
+checksum = "7277392b266383ef8396db7fdeb1e77b6c52fed775f5df15bb24f35b72156980"
 dependencies = [
  "curve25519-dalek",
  "ed25519",
- "rand 0.7.3",
+ "rand_core 0.6.4",
  "serde",
- "serde_bytes",
  "sha2",
  "zeroize",
 ]
@@ -549,6 +563,12 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6999dc1837253364c2ebb0704ba97994bd874e8f195d665c50b7548f6ea92764"
 
+[[package]]
+name = "fiat-crypto"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d0870c84016d4b481be5c9f323c24f65e31e901ae618f0e80f4308fb00de1d2d"
+
 [[package]]
 name = "fnv"
 version = "1.0.7"
@@ -579,6 +599,16 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "fs2"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9564fc758e15025b46aa6643b1b77d047d1a56a1aea6e01002ac0c7026876213"
+dependencies = [
+ "libc",
+ "winapi",
+]
+
 [[package]]
 name = "fuchsia-cprng"
 version = "0.1.1"
@@ -587,9 +617,9 @@ checksum = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
 
 [[package]]
 name = "futures"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "23342abe12aba583913b2e62f22225ff9c950774065e4bfb61a19cd9770fec40"
+checksum = "da0290714b38af9b4a7b094b8a37086d1b4e61f2df9122c3cad2577669145335"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -602,9 +632,9 @@ dependencies = [
 
 [[package]]
 name = "futures-channel"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "955518d47e09b25bbebc7a18df10b81f0c766eaf4c4f1cccef2fca5f2a4fb5f2"
+checksum = "ff4dd66668b557604244583e3e1e1eada8c5c2e96a6d0d6653ede395b78bbacb"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -612,15 +642,15 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4bca583b7e26f571124fe5b7561d49cb2868d79116cfa0eefce955557c6fee8c"
+checksum = "eb1d22c66e66d9d72e1758f0bd7d4fd0bee04cad842ee34587d68c07e45d088c"
 
 [[package]]
 name = "futures-executor"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ccecee823288125bd88b4d7f565c9e58e41858e47ab72e8ea2d64e93624386e0"
+checksum = "0f4fb8693db0cf099eadcca0efe2a5a22e4550f98ed16aba6c48700da29597bc"
 dependencies = [
  "futures-core",
  "futures-task",
@@ -629,15 +659,15 @@ dependencies = [
 
 [[package]]
 name = "futures-io"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fff74096e71ed47f8e023204cfd0aa1289cd54ae5430a9523be060cdb849964"
+checksum = "8bf34a163b5c4c52d0478a4d757da8fb65cabef42ba90515efee0f6f9fa45aaa"
 
 [[package]]
 name = "futures-macro"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89ca545a94061b6365f2c7355b4b32bd20df3ff95f02da9329b34ccc3bd6ee72"
+checksum = "53b153fd91e4b0147f4aced87be237c98248656bb01050b96bf3ee89220a8ddb"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -646,21 +676,21 @@ dependencies = [
 
 [[package]]
 name = "futures-sink"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f43be4fe21a13b9781a69afa4985b0f6ee0e1afab2c6f454a8cf30e2b2237b6e"
+checksum = "e36d3378ee38c2a36ad710c5d30c2911d752cb941c00c72dbabfb786a7970817"
 
 [[package]]
 name = "futures-task"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "76d3d132be6c0e6aa1534069c705a74a5997a356c0dc2f86a47765e5617c5b65"
+checksum = "efd193069b0ddadc69c46389b740bbccdd97203899b48d09c5f7969591d6bae2"
 
 [[package]]
 name = "futures-util"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "26b01e40b772d54cf6c6d721c1d1abd0647a0106a12ecaa1c186273392a69533"
+checksum = "a19526d624e703a3179b3d322efec918b6246ea0fa51d41124525f00f1cc8104"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -674,6 +704,15 @@ dependencies = [
  "slab",
 ]
 
+[[package]]
+name = "fxhash"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c31b6d751ae2c7f11320402d34e41349dd1016f8d5d45e48c4312bc8625af50c"
+dependencies = [
+ "byteorder",
+]
+
 [[package]]
 name = "generic-array"
 version = "0.14.7"
@@ -704,15 +743,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
 dependencies = [
  "cfg-if",
+ "js-sys",
  "libc",
  "wasi 0.11.0+wasi-snapshot-preview1",
+ "wasm-bindgen",
 ]
 
 [[package]]
 name = "ghash"
-version = "0.3.1"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "97304e4cd182c3846f7575ced3890c53012ce534ad9114046b0a9e00bb30a375"
+checksum = "d930750de5717d2dd0b8c0d42c076c0e884c81a73e6cab859bbd2339c71e3e40"
 dependencies = [
  "opaque-debug",
  "polyval",
@@ -911,6 +952,24 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "inout"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a0c10553d664a4d0bcff9f4215d0aac67a639cc68ef660840afe309b807bc9f5"
+dependencies = [
+ "generic-array",
+]
+
+[[package]]
+name = "instant"
+version = "0.1.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a5bbe824c507c5da5956355e86a746d82e0e1464f65d862cc5e71da70e94b2c"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "ipnet"
 version = "2.8.0"
@@ -925,9 +984,9 @@ checksum = "af150ab688ff2122fcef229be89cb50dd66af9e01a4ff320cc137eecc9bacc38"
 
 [[package]]
 name = "js-sys"
-version = "0.3.64"
+version = "0.3.65"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c5f195fe497f702db0f318b07fdd68edb16955aed830df8363d837542f8f935a"
+checksum = "54c0c35952f67de54bb584e9fd912b3023117cbafc0a77d8f3dee1fb5f572fe8"
 dependencies = [
  "wasm-bindgen",
 ]
@@ -958,15 +1017,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.147"
+version = "0.2.149"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
-
-[[package]]
-name = "libm"
-version = "0.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7fc7aa29613bd6a620df431842069224d8bc9011086b1db4c0e0cd47fa03ec9a"
+checksum = "a08173bc88b7955d1b3145aa561539096c421ac8debde8cbc3612ec635fee29b"
 
 [[package]]
 name = "linux-raw-sys"
@@ -994,7 +1047,7 @@ checksum = "b06a4cde4c0f271a446782e3eff8de789548ce57dbc8eca9292c27f4a42004b4"
 name = "lox-distributor"
 version = "0.1.0"
 dependencies = [
- "base64 0.13.1",
+ "base64",
  "chrono",
  "clap",
  "futures",
@@ -1003,12 +1056,16 @@ dependencies = [
  "julianday",
  "lox-library",
  "lox_utils",
+ "prometheus",
+ "prometheus-client",
  "rand 0.8.5",
  "rdsys_backend",
+ "reqwest",
  "serde",
  "serde_json",
  "serde_with",
- "time 0.3.28",
+ "sled",
+ "time",
  "tokio",
  "zkp",
 ]
@@ -1018,21 +1075,22 @@ name = "lox-library"
 version = "0.1.0"
 dependencies = [
  "aes-gcm",
- "base64 0.13.1",
+ "base64",
  "bincode",
  "chrono",
- "curve25519-dalek-ng",
+ "curve25519-dalek",
  "ed25519-dalek",
  "hex_fmt",
  "lazy_static",
- "rand 0.7.3",
+ "prometheus",
+ "rand 0.8.5",
  "serde",
  "serde_with",
  "sha2",
  "statistical",
  "subtle",
  "thiserror",
- "time 0.3.28",
+ "time",
  "zkp",
 ]
 
@@ -1042,6 +1100,7 @@ version = "0.1.0"
 dependencies = [
  "chrono",
  "console_error_panic_hook",
+ "getrandom 0.2.10",
  "js-sys",
  "julianday",
  "lazy_static",
@@ -1049,7 +1108,7 @@ dependencies = [
  "lox_utils",
  "rand 0.7.3",
  "serde_json",
- "time 0.3.28",
+ "time",
  "wasm-bindgen",
  "zkp",
 ]
@@ -1071,14 +1130,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
-name = "merlin"
-version = "2.0.1"
+name = "memoffset"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4e261cf0f8b3c42ded9f7d2bb59dea03aa52bc8a1cbc7482f9fc3fd1229d3b42"
+checksum = "5a634b1c61a95585bd15607c6ab0c4e5b226e695ff2800ba0cdccddf208c406c"
+dependencies = [
+ "autocfg 1.1.0",
+]
+
+[[package]]
+name = "merlin"
+version = "3.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "58c38e2799fc0978b65dfff8023ec7843e2330bb462f19198840b34b6582397d"
 dependencies = [
  "byteorder",
  "keccak",
- "rand_core 0.5.1",
+ "rand_core 0.6.4",
  "zeroize",
 ]
 
@@ -1279,13 +1347,14 @@ dependencies = [
 ]
 
 [[package]]
-name = "packed_simd_2"
-version = "0.3.8"
+name = "parking_lot"
+version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1914cd452d8fccd6f9db48147b29fd4ae05bea9dc5d9ad578509f72415de282"
+checksum = "7d17b78036a60663b797adeaee46f5c9dfebb86948d1255007a1d6be0271ff99"
 dependencies = [
- "cfg-if",
- "libm",
+ "instant",
+ "lock_api",
+ "parking_lot_core 0.8.6",
 ]
 
 [[package]]
@@ -1295,7 +1364,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3742b2c103b9f06bc9fff0a37ff4912935851bee6d36f3c02bcc755bcfec228f"
 dependencies = [
  "lock_api",
- "parking_lot_core",
+ "parking_lot_core 0.9.8",
+]
+
+[[package]]
+name = "parking_lot_core"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60a2cfe6f0ad2bfc16aefa463b497d5c7a5ecd44a23efa72aa342d90177356dc"
+dependencies = [
+ "cfg-if",
+ "instant",
+ "libc",
+ "redox_syscall 0.2.16",
+ "smallvec",
+ "winapi",
 ]
 
 [[package]]
@@ -1306,7 +1389,7 @@ checksum = "93f00c865fe7cabf650081affecd3871070f26767e7b2070a3ffae14c654b447"
 dependencies = [
  "cfg-if",
  "libc",
- "redox_syscall",
+ "redox_syscall 0.3.5",
  "smallvec",
  "windows-targets",
 ]
@@ -1319,9 +1402,9 @@ checksum = "9b2a4787296e9989611394c33f193f676704af1686e70b8f8033ab5ba9a35a94"
 
 [[package]]
 name = "pin-project-lite"
-version = "0.2.10"
+version = "0.2.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c40d25201921e5ff0c862a505c6557ea88568a4e3ace775ab55e93f2f4f9d57"
+checksum = "8afb450f006bf6385ca15ef45d71d2288452bc3683ce2e2cacc0d18e4be60b58"
 
 [[package]]
 name = "pin-utils"
@@ -1329,6 +1412,16 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
+[[package]]
+name = "pkcs8"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f950b2377845cebe5cf8b5165cb3cc1a5e0fa5cfa3e1f7f55707d8fd82e0a7b7"
+dependencies = [
+ "der",
+ "spki",
+]
+
 [[package]]
 name = "pkg-config"
 version = "0.3.27"
@@ -1336,16 +1429,29 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "26072860ba924cbfa98ea39c8c19b4dd6a4a25423dbdf219c1eca91aa0cf6964"
 
 [[package]]
-name = "polyval"
-version = "0.4.5"
+name = "platforms"
+version = "3.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eebcc4aa140b9abd2bc40d9c3f7ccec842679cd79045ac3a7ac698c1a064b7cd"
+checksum = "4503fa043bf02cee09a9582e9554b4c6403b2ef55e4612e96561d294419429f8"
+
+[[package]]
+name = "polyval"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d52cff9d1d4dee5fe6d03729099f4a310a41179e0a10dbf542039873f2e826fb"
 dependencies = [
- "cpuid-bool",
+ "cfg-if",
+ "cpufeatures",
  "opaque-debug",
  "universal-hash",
 ]
 
+[[package]]
+name = "powerfmt"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.17"
@@ -1361,6 +1467,50 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "prometheus"
+version = "0.13.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "449811d15fbdf5ceb5c1144416066429cf82316e2ec8ce0c1f6f8a02e7bbcf8c"
+dependencies = [
+ "cfg-if",
+ "fnv",
+ "lazy_static",
+ "memchr",
+ "parking_lot 0.12.1",
+ "protobuf",
+ "thiserror",
+]
+
+[[package]]
+name = "prometheus-client"
+version = "0.22.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "510c4f1c9d81d556458f94c98f857748130ea9737bbd6053da497503b26ea63c"
+dependencies = [
+ "dtoa",
+ "itoa",
+ "parking_lot 0.12.1",
+ "prometheus-client-derive-encode",
+]
+
+[[package]]
+name = "prometheus-client-derive-encode"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "440f724eba9f6996b75d63681b0a92b06947f1457076d503a4d2e2c8f56442b8"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "protobuf"
+version = "2.28.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "106dd99e98437432fed6519dedecfade6a06a73bb7b2a1e019fdd2bee5778d94"
+
 [[package]]
 name = "quote"
 version = "1.0.32"
@@ -1575,6 +1725,15 @@ dependencies = [
  "tokio-util",
 ]
 
+[[package]]
+name = "redox_syscall"
+version = "0.2.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fb5a58c1855b4b6819d59012155603f0b22ad30cad752600aadfcb695265519a"
+dependencies = [
+ "bitflags 1.3.2",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.3.5"
@@ -1590,7 +1749,7 @@ version = "0.11.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cde824a14b7c14f85caff81225f411faacc04a2013f41670f41443742b1c1c55"
 dependencies = [
- "base64 0.21.2",
+ "base64",
  "bytes",
  "encoding_rs",
  "futures-core",
@@ -1629,6 +1788,15 @@ version = "0.1.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76"
 
+[[package]]
+name = "rustc_version"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bfa0f585226d2e68097d4f95d113b15b83a82e819ab25717ec0590d9584ef366"
+dependencies = [
+ "semver",
+]
+
 [[package]]
 name = "rustix"
 version = "0.38.4"
@@ -1687,28 +1855,25 @@ dependencies = [
 ]
 
 [[package]]
-name = "serde"
-version = "1.0.188"
+name = "semver"
+version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf9e0fcba69a370eed61bcf2b728575f726b50b55cba78064753d708ddc7549e"
+checksum = "b0293b4b29daaf487284529cc2f5675b8e57c61f70167ba415a463651fd6a918"
+
+[[package]]
+name = "serde"
+version = "1.0.190"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91d3c334ca1ee894a2c6f6ad698fe8c435b76d504b13d436f0685d648d6d96f7"
 dependencies = [
  "serde_derive",
 ]
 
-[[package]]
-name = "serde_bytes"
-version = "0.11.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab33ec92f677585af6d88c65593ae2375adde54efdbf16d597f2cbc7a6d368ff"
-dependencies = [
- "serde",
-]
-
 [[package]]
 name = "serde_derive"
-version = "1.0.188"
+version = "1.0.190"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4eca7ac642d82aa35b60049a6eccb4be6be75e599bd2e9adb5f875a737654af2"
+checksum = "67c5609f394e5c2bd7fc51efda478004ea80ef42fee983d5c67a65e34f32c0e3"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1717,9 +1882,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.105"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "693151e1ac27563d6dbcec9dee9fbd5da8539b20fa14ad3752b2e6d363ace360"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
@@ -1740,11 +1905,11 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.3.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ca3b16a3d82c4088f343b7480a93550b3eabe1a358569c2dfe38bbcead07237"
+checksum = "64cd236ccc1b7a29e7e2739f27c0b2dd199804abc4290e32f59f3b68d6405c23"
 dependencies = [
- "base64 0.21.2",
+ "base64",
  "chrono",
  "hex",
  "indexmap 1.9.3",
@@ -1752,14 +1917,14 @@ dependencies = [
  "serde",
  "serde_json",
  "serde_with_macros",
- "time 0.3.28",
+ "time",
 ]
 
 [[package]]
 name = "serde_with_macros"
-version = "3.3.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e6be15c453eb305019bfa438b1593c731f36a289a7853f7707ee29e870b3b3c"
+checksum = "93634eb5f75a2323b16de4748022ac4297f9e76b6dced2be287a099f41b5e788"
 dependencies = [
  "darling",
  "proc-macro2",
@@ -1769,26 +1934,24 @@ dependencies = [
 
 [[package]]
 name = "sha1"
-version = "0.10.5"
+version = "0.10.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f04293dc80c3993519f2d7f6f511707ee7094fe0c6d3406feb330cdb3540eba3"
+checksum = "e3bf829a2d51ab4a5ddf1352d8470c140cadc8301b2ae1789db023f01cedd6ba"
 dependencies = [
  "cfg-if",
  "cpufeatures",
- "digest 0.10.7",
+ "digest",
 ]
 
 [[package]]
 name = "sha2"
-version = "0.9.9"
+version = "0.10.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4d58a1e1bf39749807d89cf2d98ac2dfa0ff1cb3faa38fbb64dd88ac8013d800"
+checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8"
 dependencies = [
- "block-buffer 0.9.0",
  "cfg-if",
  "cpufeatures",
- "digest 0.9.0",
- "opaque-debug",
+ "digest",
 ]
 
 [[package]]
@@ -1802,9 +1965,9 @@ dependencies = [
 
 [[package]]
 name = "signature"
-version = "1.6.4"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74233d3b3b2f6d4b006dc19dee745e73e2a6bfb6f93607cd3b02bd5b00797d7c"
+checksum = "5e1788eed21689f9cf370582dfc467ef36ed9c707f073528ddafa8d83e3b8500"
 
 [[package]]
 name = "slab"
@@ -1815,6 +1978,22 @@ dependencies = [
  "autocfg 1.1.0",
 ]
 
+[[package]]
+name = "sled"
+version = "0.34.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f96b4737c2ce5987354855aed3797279def4ebf734436c6aa4552cf8e169935"
+dependencies = [
+ "crc32fast",
+ "crossbeam-epoch",
+ "crossbeam-utils",
+ "fs2",
+ "fxhash",
+ "libc",
+ "log",
+ "parking_lot 0.11.2",
+]
+
 [[package]]
 name = "smallvec"
 version = "1.11.0"
@@ -1831,6 +2010,16 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "spki"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d1e996ef02c474957d681f1b05213dfb0abab947b446a62d37770b23500184a"
+dependencies = [
+ "base64ct",
+ "der",
+]
+
 [[package]]
 name = "statistical"
 version = "1.0.0"
@@ -1849,21 +2038,15 @@ checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
 
 [[package]]
 name = "subtle"
-version = "2.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
-
-[[package]]
-name = "subtle-ng"
 version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "734676eb262c623cec13c3155096e08d1f8f29adce39ba17948b18dad1e54142"
+checksum = "81cdd64d312baedb58e21336b31bc043b77e01cc99033ce76ef539f78e965ebc"
 
 [[package]]
 name = "syn"
-version = "2.0.29"
+version = "2.0.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c324c494eba9d92503e6f1ef2e6df781e78f6a7705a0202d9801b198807d518a"
+checksum = "239814284fd6f1a4ffe4ca893952cdd93c224b6a1571c9a9eadd670295c0c9e2"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1878,25 +2061,25 @@ checksum = "5486094ee78b2e5038a6382ed7645bc084dc2ec433426ca4c3cb61e2007b8998"
 dependencies = [
  "cfg-if",
  "fastrand",
- "redox_syscall",
+ "redox_syscall 0.3.5",
  "rustix",
  "windows-sys",
 ]
 
 [[package]]
 name = "thiserror"
-version = "1.0.48"
+version = "1.0.49"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9d6d7a740b8a666a7e828dd00da9c0dc290dff53154ea77ac109281de90589b7"
+checksum = "1177e8c6d7ede7afde3585fd2513e611227efd6481bd78d2e82ba1ce16557ed4"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.48"
+version = "1.0.49"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49922ecae66cc8a249b77e68d1d0623c1b2c514f0060c27cdc68bd62a1219d35"
+checksum = "10712f02019e9288794769fba95cd6847df9874d49d871d062172f9dd41bc4cc"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1905,23 +2088,13 @@ dependencies = [
 
 [[package]]
 name = "time"
-version = "0.1.45"
+version = "0.3.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b797afad3f312d1c66a56d11d0316f916356d11bd158fbc6ca6389ff6bf805a"
-dependencies = [
- "libc",
- "wasi 0.10.0+wasi-snapshot-preview1",
- "winapi",
-]
-
-[[package]]
-name = "time"
-version = "0.3.28"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "17f6bb557fd245c28e6411aa56b6403c689ad95061f50e4be16c274e70a17e48"
+checksum = "c4a34ab300f2dee6e562c10a046fc05e358b29f9bf92277f30c3c8d82275f6f5"
 dependencies = [
  "deranged",
  "itoa",
+ "powerfmt",
  "serde",
  "time-core",
  "time-macros",
@@ -1929,15 +2102,15 @@ dependencies = [
 
 [[package]]
 name = "time-core"
-version = "0.1.1"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7300fbefb4dadc1af235a9cef3737cea692a9d97e1b9cbcd4ebdae6f8868e6fb"
+checksum = "ef927ca75afb808a4d64dd374f00a2adf8d0fcff8e7b184af886c3c87ec4a3f3"
 
 [[package]]
 name = "time-macros"
-version = "0.2.14"
+version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a942f44339478ef67935ab2bbaec2fb0322496cf3cbe84b261e06ac3814c572"
+checksum = "4ad70d68dba9e1f8aceda7aa6711965dfec1cac869f311a51bd08b3a2ccbce20"
 dependencies = [
  "time-core",
 ]
@@ -1969,7 +2142,7 @@ dependencies = [
  "libc",
  "mio",
  "num_cpus",
- "parking_lot",
+ "parking_lot 0.12.1",
  "pin-project-lite",
  "signal-hook-registry",
  "socket2",
@@ -2011,9 +2184,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-util"
-version = "0.7.8"
+version = "0.7.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "806fe8c2c87eccc8b3267cbae29ed3ab2d0bd37fca70ab622e46aaa9375ddb7d"
+checksum = "5419f34732d9eb6ee4c3578b7989078579b7f039cbbb9ca2c4da015749371e15"
 dependencies = [
  "bytes",
  "futures-core",
@@ -2084,11 +2257,11 @@ dependencies = [
 
 [[package]]
 name = "universal-hash"
-version = "0.4.1"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f214e8f697e925001e66ec2c6e37a4ef93f0f78c2eed7814394e10c62025b05"
+checksum = "fc1de2c688dc15305988b563c3854064043356019f97a4b46276fe734c4f07ea"
 dependencies = [
- "generic-array",
+ "crypto-common",
  "subtle",
 ]
 
@@ -2136,12 +2309,6 @@ version = "0.9.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
 
-[[package]]
-name = "wasi"
-version = "0.10.0+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
-
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
@@ -2150,9 +2317,9 @@ checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.87"
+version = "0.2.88"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7706a72ab36d8cb1f80ffbf0e071533974a60d0a308d01a5d0375bf60499a342"
+checksum = "7daec296f25a1bae309c0cd5c29c4b260e510e6d813c286b19eaadf409d40fce"
 dependencies = [
  "cfg-if",
  "wasm-bindgen-macro",
@@ -2160,9 +2327,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.87"
+version = "0.2.88"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ef2b6d3c510e9625e5fe6f509ab07d66a760f0885d858736483c32ed7809abd"
+checksum = "e397f4664c0e4e428e8313a469aaa58310d302159845980fd23b0f22a847f217"
 dependencies = [
  "bumpalo",
  "log",
@@ -2187,9 +2354,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.87"
+version = "0.2.88"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dee495e55982a3bd48105a7b947fd2a9b4a8ae3010041b9e0faab3f9cd028f1d"
+checksum = "5961017b3b08ad5f3fe39f1e79877f8ee7c23c5e5fd5eb80de95abc41f1f16b2"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -2197,9 +2364,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.87"
+version = "0.2.88"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "54681b18a46765f095758388f2d0cf16eb8d4169b639ab575a8f5693af210c7b"
+checksum = "c5353b8dab669f5e10f5bd76df26a9360c748f054f862ff5f3f8aae0c7fb3907"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2210,9 +2377,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.87"
+version = "0.2.88"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca6ad05a4870b2bf5fe995117d3728437bd27d7cd5f06f13c17443ef369775a1"
+checksum = "0d046c5d029ba91a1ed14da14dca44b68bf2f124cfbaf741c54151fdb3e0750b"
 
 [[package]]
 name = "wasm-streams"
@@ -2345,9 +2512,9 @@ dependencies = [
 
 [[package]]
 name = "zeroize"
-version = "1.3.0"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4756f7db3f7b5574938c3eb1c117038b8e07f95ee6718c0efad4ac21508f1efd"
+checksum = "2a0956f1ba7c7909bfb66c2e9e4124ab6f6482560f6628b5aaeba39207c9aad9"
 dependencies = [
  "zeroize_derive",
 ]
@@ -2366,12 +2533,11 @@ dependencies = [
 [[package]]
 name = "zkp"
 version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5cf6dceea8522c0ade5abe68c1ca747e80b88adce2cd6a070e95f102037f331f"
+source = "git+https://gitlab.torproject.org/onyinyang/lox-zkp#7dc7562ecdac3a6c7c7ecc31cace192174d34778"
 dependencies = [
- "curve25519-dalek-ng",
+ "curve25519-dalek",
  "merlin",
- "rand 0.7.3",
+ "rand 0.8.5",
  "serde",
  "serde_derive",
  "thiserror",
diff --git a/crates/lox-distributor/Cargo.toml b/crates/lox-distributor/Cargo.toml
index 52ce60a..6a1e955 100644
--- a/crates/lox-distributor/Cargo.toml
+++ b/crates/lox-distributor/Cargo.toml
@@ -12,23 +12,26 @@ keywords = ["tor", "lox", "bridges"]
 
 [dependencies]
 julianday = "1.2.0"
-base64 = "0.13.1"
+base64 = "0.21.5"
 hyper = { version = "0.14.27", features = ["server"] }
 hex_fmt = "0.3"
-futures = "0.3.28"
-time = "0.3.28"
+futures = "0.3.29"
+time = "0.3.30"
 tokio = { version = "1", features = ["full", "macros", "signal"] }
 rand = "0.8.5"
+reqwest = { version = "0.11", features = ["json", "stream"]}
 serde = { version = "1.0", features = ["derive", "rc"] }
-serde_with = "3.3.0"
-zkp = "0.8.0"
-
+serde_with = "3.4.0"
+zkp = { git = "https://gitlab.torproject.org/onyinyang/lox-zkp" }
 lox-library = { path = "../lox-library", version = "0.1.0"}
 lox_utils = { path = "../lox-utils", version = "0.1.0"}
 rdsys_backend = { path = "../rdsys-backend-api", version = "0.2"}
-clap = { version = "4.4.2", features = ["derive"] }
-serde_json = "1.0.105"
+clap = { version = "4.4.7", features = ["derive"] }
+serde_json = "1.0.108"
+prometheus = "0.13.3"
+sled = "0.34.7"
+prometheus-client = "0.22.0"
 
 [dependencies.chrono]
-version = "0.4.27"
+version = "0.4.31"
 features = ["serde"]
diff --git a/crates/lox-distributor/README.md b/crates/lox-distributor/README.md
index cbfe60f..329e769 100644
--- a/crates/lox-distributor/README.md
+++ b/crates/lox-distributor/README.md
@@ -1,12 +1,11 @@
 # Lox Distributor
 
 The Lox distributor receives resources from [rdsys](https://gitlab.torproject.org/tpo/anti-censorship/rdsys) and writes them to [Lox
-BridgeLines](https://git-crysp.uwaterloo.ca/iang/lox/src/master/src/bridge_table.rs#L42). Concurrently, it receives and responds to requests from [Lox clients](https://gitlab.torproject.org/tpo/anti-censorship/lox/lox-wasm). 
-
+BridgeLines](https://git-crysp.uwaterloo.ca/iang/lox/src/master/src/bridge_table.rs#L42). Concurrently, it receives and responds to requests from [Lox clients](https://gitlab.torproject.org/tpo/anti-censorship/lox/lox-wasm). It saves the [LoxContext](https://gitlab.torproject.org/tpo/anti-censorship/lox-rs/-/blob/main/crates/lox-distributor/src/lox_context.rs) to a database every time the Lox bridgetable is updated and before the distributor is shutdown.
 ## Configure rdsys stream
 
 A test `config.json` is included for testing on a local instance of rdsys. This
-can be edited to correspond to the desired types of resources and endpoints.
+can be edited to correspond to the desired types of resources, endpoints and database configuration.
 
 ## Test Run
 
@@ -26,6 +25,13 @@ Finally run rdsys:
  ./backend --config config.json
 ```
 
+## Database Config
+
+The database has a few configuration options. The path for where the database
+should be read/written can be specified in the `config.json`. Rolling back to a
+previous version of the database is also possible by passing the
+`roll_back_date` flag at runtime and providing the date/time as a `%Y-%m-%d_%H:%M:%S` string. This argument should be passed if the `LoxContext` should be rolled back to a previous state due to, for example, a mass blocking event that is likely not due to Lox user behaviour. If the exact roll back date/time is not known, the last db entry within 24 hours from the passed `roll_back_date` will be used or else the program will fail gracefully.
+
 ### Run Lox Distributor locally
 
 Simply run `cargo run -- config.json` :)
diff --git a/crates/lox-distributor/config.json b/crates/lox-distributor/config.json
index 177e5a2..438cab1 100644
--- a/crates/lox-distributor/config.json
+++ b/crates/lox-distributor/config.json
@@ -1,9 +1,19 @@
 {
-    "endpoint": "http://127.0.0.1:7100/resource-stream",
-    "name": "https",
-    "token": "HttpsApiTokenPlaceholder",
-    "types": [
-        "obfs2",
-        "scramblesuit"
-    ]
+    "db": {
+    "db_path": "lox_db"
+
+    },
+    "metrics_port": 5222,
+    "bridge_config": {
+        "percent_spares": 50
+    },
+    "rtype": {
+        "endpoint": "http://127.0.0.1:7100/resources",
+        "name": "https",
+        "token": "HttpsApiTokenPlaceholder",
+        "types": [
+            "obfs2",
+            "scramblesuit"
+        ]
+    }
 }
\ No newline at end of file
diff --git a/crates/lox-distributor/src/db_handler.rs b/crates/lox-distributor/src/db_handler.rs
new file mode 100644
index 0000000..acf0cfe
--- /dev/null
+++ b/crates/lox-distributor/src/db_handler.rs
@@ -0,0 +1,150 @@
+use std::sync::{Arc, Mutex};
+
+use crate::metrics::Metrics;
+use crate::{lox_context, DbConfig};
+use chrono::{naive::Days, DateTime, Local, NaiveDateTime, Utc};
+use lox_library::{BridgeAuth, BridgeDb};
+use sled::IVec;
+
+pub struct DB {
+    db: sled::Db,
+}
+
+impl DB {
+    pub fn write_context(&mut self, context: lox_context::LoxServerContext) {
+        let date = Local::now().format("context_%Y-%m-%d_%H:%M:%S").to_string();
+        let json_result = serde_json::to_vec(&context).unwrap();
+        println!("Writing context to the db with key: {:?}", date);
+        let _new_ivec = self.db.insert(
+            IVec::from(date.as_bytes().to_vec()),
+            IVec::from(json_result.clone()),
+        );
+        assert_eq!(
+            self.db
+                .get(IVec::from(date.as_bytes().to_vec()))
+                .unwrap()
+                .unwrap(),
+            IVec::from(json_result)
+        );
+    }
+
+    pub fn open_new_or_existing_db(
+        db_config: DbConfig,
+        roll_back_date: Option<String>,
+        metrics: Metrics,
+    ) -> Result<(DB, lox_context::LoxServerContext), sled::Error> {
+        let mut context: lox_context::LoxServerContext;
+        let (lox_db, context) = match sled::open(db_config.db_path) {
+            Ok(lox_db) => {
+                // Check if the lox_db already exists
+                if lox_db.was_recovered() {
+                    context = read_lox_context_from_db(lox_db.clone(), roll_back_date);
+                    context.metrics = metrics;
+                //Otherwise, create a new Lox context
+                } else {
+                    let new_db = BridgeDb::new();
+                    let new_ba = BridgeAuth::new(new_db.pubkey);
+                    context = lox_context::LoxServerContext {
+                        db: Arc::new(Mutex::new(new_db)),
+                        ba: Arc::new(Mutex::new(new_ba)),
+                        extra_bridges: Arc::new(Mutex::new(Vec::new())),
+                        to_be_replaced_bridges: Arc::new(Mutex::new(Vec::new())),
+                        metrics,
+                    };
+                }
+                (DB { db: lox_db }, context)
+            }
+            Err(e) => {
+                panic!("Unable to read or create lox database! {:?}", e);
+            }
+        };
+        Ok((lox_db, context))
+    }
+}
+
+fn read_lox_context_from_db(
+    lox_db: sled::Db,
+    roll_back_date: Option<String>,
+) -> lox_context::LoxServerContext {
+    let context: lox_context::LoxServerContext;
+    // Check if there is a roll back date and try to choose the appropriate context
+    // to rollback to, otherwise, take the last saved context
+    match roll_back_date {
+        // If roll back date has been specified, either the exact date or range should be set
+        Some(roll_back_date) => {
+            // If the date is specified and it's in the database, use that to populate the context
+            if lox_db.contains_key(roll_back_date.clone()).unwrap() {
+                // Find date/time in db and use the context from that date.
+                let ivec_context = lox_db
+                    .get(IVec::from(roll_back_date.as_bytes().to_vec()))
+                    .unwrap()
+                    .unwrap();
+                context = serde_json::from_slice(&ivec_context).unwrap();
+                println!("Successfully used exact key {:?}", roll_back_date);
+            } else {
+                // If the exact date is not found, compute the start of the range as 24 hours prior to the specified date
+                match compute_startdate_string(roll_back_date.clone()){
+                    Some(start_date) => {
+                        let start_date = start_date.format("context_%Y-%m-%d_%H:%M:%S").to_string();
+                        let r: sled::Iter = lox_db.range(IVec::from(start_date.as_bytes().to_vec())..IVec::from(roll_back_date.as_bytes().to_vec()), );
+                        match r.last(){
+                            Some(entry) => {
+                                let ivec_context = entry.unwrap();
+                                let key: String = String::from_utf8(ivec_context.0.to_vec()).unwrap();
+                                println!("Successfully used range and key {:?}", key);
+                                context = serde_json::from_slice(&ivec_context.1).unwrap();
+                            },
+                            //If no entries are found within the 24 hours prior to the specified date, Exit
+                            None => panic!("UNEXPECTED DATE: No entries found in the 24 hours prior to the input roll_back_date"),
+                        }
+                    }
+                    None => panic!("UNEXPECTED DATE: Tried to use input date to calculate 24 hour range but failed. Exiting."),
+                }
+            }
+        }
+        // Use the last entry to populate the Lox context if no rollback date is set (which should be most common)
+        None => {
+            context = use_last_context(lox_db);
+        }
+    }
+    context
+}
+
+fn compute_startdate_string(date_range_end: String) -> Option<DateTime<Utc>> {
+    let parsed_end =
+        NaiveDateTime::parse_from_str(&date_range_end, "context_%Y-%m-%d_%H:%M:%S").unwrap();
+    let dt = DateTime::<Utc>::from_naive_utc_and_offset(parsed_end, Utc);
+    dt.with_timezone(&Utc).checked_sub_days(Days::new(1))
+}
+
+fn use_last_context(lox_db: sled::Db) -> lox_context::LoxServerContext {
+    let ivec_context = lox_db.last().unwrap().unwrap();
+    let ivec_date: String = String::from_utf8(ivec_context.0.to_vec()).unwrap();
+    println!("Using last context with date: {:?}", ivec_date);
+    serde_json::from_slice(&ivec_context.1).unwrap()
+}
+
+#[cfg(test)]
+mod tests {
+    use super::lox_context::LoxServerContext;
+    use super::DbConfig;
+    use super::Metrics;
+    use super::DB;
+
+    #[test]
+    fn test_write_context() {
+        let (mut lox_db, _context) =
+            DB::open_new_or_existing_db(DbConfig::default(), None, Metrics::default()).unwrap();
+        assert!(
+            lox_db.db.is_empty(),
+            "db read from context that shouldn't exist"
+        );
+        let test_string = "{\"db\":{\"keypair\":[121,4,160,52,248,243,39,240,71,101,82,207,64,22,142,74,246,212,153,208,24,125,84,1,155,176,83,205,46,185,185,44],\"pubkey\":[160,195,123,233,25,157,126,89,37,85,193,202,132,49,53,205,169,199,176,14,251,234,40,100,156,84,155,125,186,244,134,220],\"openinv_buckets\":[5,4,7,3,8],\"distributed_buckets\":[9],\"current_k\":2,\"daily_bridges_distributed\":1},\"ba\":{\"lox_priv\":{\"x0tilde\":[143,9,251,99,139,233,249,99,12,151,209,199,61,9,226,112,162,129,137,136,195,3,66,179,223,161,50,85,30,157,37,0],\"x\":[[243,220,21,212,62,251,120,189,78,69,185,186,29,7,23,200,129,129,142,47,138,112,151,4,126,40,138,144,220,88,86,8],[79,133,82,56,114,75,230,209,153,126,84,177,85,238,191,235,7,187,196,196,228,60,103,178,44,88,5,143,238,120,72,12],[114,190,197,197,92,27,104,48,174,133,173,50,91,173,81,40,202,254,102,100,238,9,180,244,14,47,71,72,202,169,223,0],[109,226,189,23,245,119,6,254,111,241,15,1,66,129,65,190,153,106,160,142,102,92,76,111,147,235,77,118,198,131,78,8],[219,73,214,47,104,208,140,251,118,150,220,157,85,115,83,86,89,232,171,242,152,64,20,61,209,119,78,245,36,204,85,11],[126,164,101,171,7,207,113,121,133,92,210,120,97,92,70,89,142,29,89,58,9,83,90,126,153,202,216,250,123,157,30,5],[25,203,47,124,192,229,50,210,39,186,172,157,71,221,90,252,83,0,234,180,15,228,133,110,58,222,51,147,110,190,237,5]]},\"lox_pub\":{\"X\":[[52,135,83,91,17,4,67,24,173,18,214,24,58,154,63,119,67,136,188,179,157,120,218,195,200,188,209,141,93,24,124,94],[238,46,17,216,198,220,35,70,61,27,186,253,177,7,221,231,169,81,99,102,18,128,125,114,184,15,246,233,1,244,118,61],[202,55,212,100,56,227,184,106,93,175,150,254,8,19,166,25,194,60,224,172,26,76,98,122,17,253,72,94,54,207,109,21],[216,173,4,2,65,255,161,45,106,111,132,219,209,220,33,26,43,173,120,117,116,30,45,151,244,206,240,255,231,179,175,103],[150,200,66,157,230,92,163,117,225,136,193,109,1,35,120,151,48,182,82,35,7,93,239,212,39,67,11,15,239,235,234,13],[172,116,53,192,167,34,113,160,85,68,184,65,117,63,29,26,138,132,224,234,105,96,194,93,220,240,88,237,110,113,86,82],[18,225,205,220,116,77,165,132,231,244,189,5,159,221,110,177,187,104,168,78,255,134,92,17,109,161,77,58,72,192,205,114]]},\"migration_priv\":{\"x0tilde\":[211,143,194,8,37,8,12,55,39,248,78,75,118,168,145,205,240,248,252,53,185,227,9,219,69,45,75,103,105,146,187,7],\"x\":[[104,107,78,46,137,189,128,168,148,77,184,118,199,234,137,81,190,103,120,180,134,231,215,197,20,176,51,138,238,54,110,12],[31,250,96,78,75,51,84,243,27,66,21,169,30,15,13,96,37,74,133,201,120,159,98,129,42,239,221,169,67,134,143,8],[74,167,255,153,36,234,214,227,250,25,106,172,36,25,72,176,81,222,197,223,237,86,17,230,97,249,107,70,91,21,190,15],[23,236,100,248,42,74,41,2,155,96,226,199,117,227,182,36,96,99,177,192,222,251,105,188,196,163,43,80,49,30,22,10],[242,31,173,104,138,50,162,156,255,85,58,180,93,228,130,239,115,14,89,179,114,236,140,190,116,16,6,147,121,27,92,11]]},\"migration_pub\":{\"X\":[[66,150,237,69,9,213,22,190,254,2,95,43,154,115,131,141,71,35,197,202,154,163,159,164,64,16,248,83,214,60,227,23],[26,26,30,134,61,140,209,165,221,146,165,203,213,57,60,16,82,185,177,218,28,59,86,37,139,88,118,69,43,120,49,97],[142,238,183,118,107,13,48,154,94,204,119,104,218,179,149,208,242,151,228,117,6,125,138,65,92,160,91,166,62,75,224,127],[6,134,209,57,107,68,65,24,78,50,197,79,39,74,239,181,77,57,17,173,30,21,231,241,211,185,78,235,219,138,235,49],[88,146,145,147,186,255,230,241,145,139,149,123,247,101,222,173,86,23,22,48,230,0,148,222,205,143,17,5,5,63,199,55]]},\"migrationkey_priv\":{\"x0tilde\":[108,193,14,7,211,244,9,190,251,186,173,191,159,67,226,168,60,109,225,13,157,225,5,88,42,21,40,103,143,79,232,0],\"x\":[[208,84,202,133,58,81,191,86,34,124,80,151,105,145,135,13,250,255,151,217,162,212,204,212,244,215,202,138,14,93,6,11],[253,152,102,66,182,93,38,129,126,173,154,32,46,2,96,174,197,211,100,130,19,206,64,153,40,104,51,36,99,163,154,10],[32,158,137,175,136,206,72,252,69,225,103,80,1,175,238,240,204,210,185,1,85,206,146,234,252,201,193,19,150,76,254,9]]},\"migrationkey_pub\":{\"X\":[[158,136,224,166,235,252,254,136,145,186,93,50,217,48,51,242,90,47,99,179,211,206,102,222,15,205,61,20,178,224,11,85],[238,183,52,40,190,24,231,89,149,158,183,90,255,178,156,37,47,223,162,251,128,222,16,185,125,91,29,185,76,121,209,15],[62,76,165,228,36,162,30,208,29,173,174,40,129,38,182,84,196,210,67,125,115,64,85,197,118,114,39,52,111,82,125,13]]},\"reachability_priv\":{\"x0tilde\":[36,187,28,100,96,130,72,135,158,51,170,109,52,72,103,90,220,74,212,104,103,92,247,69,35,235,11,53,107,234,77,0],\"x\":[[199,24,219,64,123,139,129,139,190,139,114,172,254,52,193,46,65,66,87,240,7,10,139,158,232,40,99,230,210,179,71,5],[186,173,85,159,209,12,113,8,136,170,194,128,243,174,20,78,188,57,63,144,163,218,59,102,107,184,152,42,149,22,66,6],[110,162,248,148,212,200,180,133,86,76,209,152,185,64,46,128,131,95,13,130,190,151,83,24,102,96,201,96,179,133,48,3]]},\"reachability_pub\":{\"X\":[[70,56,136,60,123,40,11,124,4,170,204,160,93,221,48,117,145,66,146,2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8,32,116,114,117,101,125,41,32,112,97,114,97,109,115,61,78,111,110,101,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]}\":[[2,0],[3,0]],\"{\\\"addr\\\":[49,50,56,46,49,51,57,46,52,52,46,49,53,55,0,0],\\\"port\\\":10839,\\\"uid_fingerprint\\\":16072135124933872676,\\\"info\\\":[116,121,112,101,61,111,98,102,115,50,32,98,108,111,99,107,101,100,95,105,110,61,123,125,32,112,114,111,116,111,99,111,108,61,116,99,112,32,102,105,110,103,101,114,112,114,105,110,116,61,34,55,67,53,65,51,68,67,53,51,49,48,55,53,53,48,54,65,50,52,52,65,51,67,70,49,57,66,53,55,70,52,68,69,52,55,55,67,65,54,51,34,32,111,114,95,97,100,100,114,101,115,115,101,115,61,78,111,110,101,32,100,105,115,116,114,105,98,117,116,105,111,110,61,104,116,116,112,115,32,102,108,97,103,115,61,83,111,109,101,40,123,34,118,97,108,105,100,34,58,32,116,114,117,101,44,32,34,115,116,97,98,108,101,34,58,32,116,114,117,101,44,32,34,102,97,115,116,34,58,32,116,114,117,101,44,32,34,114,117,110,110,105,110,103,34,58,32,116,114,117,101,125,41,32,112,97,114,97,109,115,61,78,111,110,101,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]}\":[[2,1],[4,0]],\"{\\\"addr\\\":[50,49,50,46,49,54,54,46,49,54,54,46,54,55,0,0],\\\"port\\\":32414,\\\"uid_fingerprint\\\":3643046579853129326,\\\"info\\\":[116,121,112,101,61,111,98,102,115,50,32,98,108,111,99,107,101,100,95,105,110,61,123,125,32,112,114,111,116,111,99,111,108,61,116,99,112,32,102,105,110,103,101,114,112,114,105,110,116,61,34,66,48,56,49,49,56,65,56,48,68,55,54,54,66,65,57,65,56,70,57,65,55,50,50,67,50,54,54,49,52,69,48,54,66,56,54,69,52,67,65,34,32,111,114,95,97,100,100,114,101,115,115,101,115,61,78,111,110,101,32,100,105,115,116,114,105,98,117,116,105,111,110,61,104,116,116,112,115,32,102,108,97,103,115,61,83,111,109,101,40,123,34,102,97,115,116,34,58,32,116,114,117,101,44,32,34,115,116,97,98,108,101,34,58,32,116,114,117,101,44,32,34,114,117,110,110,105,110,103,34,58,32,116,114,117,101,44,32,34,118,97,108,105,100,34,58,32,116,114,117,101,125,41,32,112,97,114,97,109,115,61,78,111,110,101,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]}\":[[1,0]],\"{\\\"addr\\\":[57,55,46,49,55,53,46,57,49,46,55,0,0,0,0,0],\\\"port\\\":27719,\\\"uid_fingerprint\\\":9270304952963857555,\\\"info\\\":[116,121,112,101,61,111,98,102,115,50,32,98,108,111,99,107,101,100,95,105,110,61,123,125,32,112,114,111,116,111,99,111,108,61,116,99,112,32,102,105,110,103,101,114,112,114,105,110,116,61,34,69,68,67,51,65,65,48,51,70,69,54,69,53,50,66,69,55,55,56,68,68,52,54,70,50,55,68,51,53,56,57,57,51,66,55,65,49,48,65,52,34,32,111,114,95,97,100,100,114,101,115,115,101,115,61,78,111,110,101,32,100,105,115,116,114,105,98,117,116,105,111,110,61,104,116,116,112,115,32,102,108,97,103,115,61,83,111,109,101,40,123,34,115,116,97,98,108,101,34,58,32,116,114,117,101,44,32,34,114,117,110,110,105,110,103,34,58,32,116,114,117,101,44,32,34,118,97,108,105,100,34,58,32,116,114,117,101,44,32,34,102,97,115,116,34,58,32,116,114,117,101,125,41,32,112,97,114,97,109,115,61,78,111,110,101,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]}\":[[10,1]]},\"spares\":[10,1],\"unallocated_bridges\":[],\"recycleable_keys\":[],\"blocked_keys\":[],\"open_inv_keys\":[[3,2460237],[4,2460237],[5,2460237],[7,2460237],[8,2460237],[9,2460237]],\"date_last_enc\":2460237},\"trustup_migration_table\":{\"table\":{\"5\":2,\"4\":2,\"9\":6,\"7\":6,\"3\":2,\"8\":6},\"migration_type\":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]},\"blockage_migration_table\":{\"table\":{},\"migration_type\":[1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]},\"openinv_filter\":{\"seen_table\":[[167,121,14,179,249,174,210,194,223,78,92,229,191,6,227,23,111,17,206,87,132,3,0,86,116,37,13,177,246,57,9,0],[20,146,141,79,128,206,56,95,212,130,37,81,177,11,14,184,9,71,14,116,101,107,243,17,237,199,192,127,212,63,30,7]]},\"id_filter\":{\"seen_table\":[]},\"inv_id_filter\":{\"seen_table\":[]},\"trust_promotion_filter\":{\"seen_table\":[]}},\"extra_bridges\":[],\"to_be_replaced_bridges\":[]}";
+        let test_context: LoxServerContext = serde_json::from_str(&test_string).unwrap();
+        lox_db.write_context(test_context);
+        assert!(
+            lox_db.db.len() == 1,
+            "db should have written only one context"
+        );
+    }
+}
diff --git a/crates/lox-distributor/src/file_reader.rs b/crates/lox-distributor/src/file_reader.rs
deleted file mode 100644
index 3a0846f..0000000
--- a/crates/lox-distributor/src/file_reader.rs
+++ /dev/null
@@ -1,39 +0,0 @@
-use crate::lox_context;
-use chrono::prelude::*;
-use std::{
-    env,
-    error::Error,
-    fs::{DirEntry, File},
-    io::BufReader,
-    path::Path,
-};
-
-pub fn read_context_from_file<P: AsRef<Path>>(
-    path: P,
-) -> Result<lox_context::LoxServerContext, Box<dyn Error>> {
-    let file = File::open(path)?;
-    let reader = BufReader::new(file);
-    let context = serde_json::from_reader(reader)?;
-    Ok(context)
-}
-
-pub fn write_context_to_file(context: lox_context::LoxServerContext) {
-    let mut date = Local::now().format("%Y-%m-%d_%H:%M:%S").to_string();
-    let path = "_lox.json";
-    date.push_str(path);
-    let file = File::create(&date)
-        .expect(format!("Unable to write to db file: {:?} !", stringify!($date)).as_str());
-    let _ = serde_json::to_writer(file, &context);
-}
-
-pub fn check_db_exists() -> Option<DirEntry> {
-    let current_path = env::current_dir().expect("Unable to access current dir");
-    std::fs::read_dir(current_path)
-        .expect("Couldn't read local directory")
-        .flatten() // Remove failed
-        .filter(|f| {
-            f.metadata().unwrap().is_file()
-                && (f.file_name().into_string().unwrap().contains("_lox.json"))
-        }) // Filter out directories (only consider files)
-        .max_by_key(|x| x.metadata().unwrap().modified().unwrap())
-}
diff --git a/crates/lox-distributor/src/lox_context.rs b/crates/lox-distributor/src/lox_context.rs
index 38d67cd..30c1708 100644
--- a/crates/lox-distributor/src/lox_context.rs
+++ b/crates/lox-distributor/src/lox_context.rs
@@ -6,25 +6,212 @@ use lox_library::{
         blockage_migration, check_blockage, issue_invite, level_up, migration, open_invite,
         redeem_invite, trust_promotion,
     },
-    BridgeAuth, BridgeDb, IssuerPubKey,
+    BridgeAuth, BridgeDb, ExceededMaxBridgesError, IssuerPubKey,
 };
+use rdsys_backend::proto::{Resource, ResourceState};
 use serde::{Deserialize, Serialize};
 
 use std::{
+    cmp::Ordering,
     collections::HashMap,
     sync::{Arc, Mutex},
 };
 use zkp::ProofError;
 
-#[derive(Clone, Serialize, Deserialize)]
+use crate::metrics::Metrics;
+use crate::resource_parser::{parse_into_bridgelines, sort_for_parsing};
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct LoxServerContext {
     pub db: Arc<Mutex<BridgeDb>>,
     pub ba: Arc<Mutex<BridgeAuth>>,
     pub extra_bridges: Arc<Mutex<Vec<BridgeLine>>>,
     pub to_be_replaced_bridges: Arc<Mutex<Vec<BridgeLine>>>,
+    #[serde(skip)]
+    pub metrics: Metrics,
 }
 
 impl LoxServerContext {
+    pub fn bridgetable_is_empty(&self) -> bool {
+        let mut ba_obj = self.ba.lock().unwrap();
+        ba_obj.is_empty()
+    }
+
+    // Populate an empty bridgetable for the first time
+    pub fn populate_bridgetable(
+        &self,
+        buckets: Vec<[BridgeLine; MAX_BRIDGES_PER_BUCKET]>,
+        percent_spares: i32,
+    ) {
+        let mut partition: i32 = 0;
+        if percent_spares != 0 {
+            partition = buckets.len() as i32 * percent_spares / 100;
+        }
+        let (spares, open_invitations) = buckets.split_at(partition as usize);
+        for bucket in spares {
+            self.add_spare_bucket(*bucket)
+        }
+
+        for bucket in open_invitations {
+            self.add_openinv_bucket(*bucket)
+        }
+    }
+
+    pub fn handle_working_resources(&self, working_resources: Vec<Resource>) -> Vec<u64> {
+        let mut accounted_for_bridges: Vec<u64> = Vec::new();
+        let bridgelines = parse_into_bridgelines(working_resources);
+        for bridge in bridgelines {
+            /* TODO: Functionality for marking bridges as unreachable/blocked should eventually happen here.
+                        It is currently not enabled as there is not yet a reliable way to determine that a bridge is blocked.
+                        This means that migrations to unblocked bridges do not currently work but can be easily enabled by parsing the
+                        list of `blocked resources` from rdsys or another source with something like the following:
+                        let res = context.add_unreachable(bridgeline);
+                        if res {
+                            println!(
+                                "BridgeLine {:?} successfully marked unreachable: {:?}",
+                                bridgeline
+                            );
+                        } else {
+                            println!(
+                                "BridgeLine {:?} NOT marked unreachable, saved for next update!",
+                                bridge.uid_fingerprint
+                            );
+                        }
+            */
+            let res = self.update_bridge(bridge);
+            if res {
+                println!(
+                    "BridgeLine {:?} successfully updated.",
+                    bridge.uid_fingerprint
+                );
+                accounted_for_bridges.push(bridge.uid_fingerprint);
+                self.metrics.existing_or_updated_bridges.inc();
+                // Assume non-failing bridges that are not found in the bridge table are new bridges and save them for later
+            } else {
+                println!("BridgeLine: {:?} not found in Lox's Bridgetable. Save it as a new resource for now!", bridge.uid_fingerprint);
+                self.append_extra_bridges(bridge);
+                self.metrics.new_bridges.inc();
+            }
+        }
+        accounted_for_bridges
+    }
+
+    pub fn handle_not_working_resources(
+        &self,
+        not_working_resources: Vec<Resource>,
+        mut accounted_for_bridges: Vec<u64>,
+    ) -> Vec<u64> {
+        let (grace_period, failing) = sort_for_parsing(not_working_resources);
+        // Update bridges in the bridge table that are failing but within the grace period
+        for bridge in grace_period {
+            let res = self.update_bridge(bridge);
+            if res {
+                println!(
+                    "BridgeLine {:?} successfully updated.",
+                    bridge.uid_fingerprint
+                );
+                accounted_for_bridges.push(bridge.uid_fingerprint);
+                self.metrics.existing_or_updated_bridges.inc();
+            }
+        }
+        // Next, handle the failing bridges. If resource last passed tests >=ACCEPTED_HOURS_OF_FAILURE ago,
+        // it should be replaced with a working resource and be removed from the bridgetable.
+        for bridge in failing {
+            let res = self.replace_with_new(bridge);
+            if res == lox_library::ReplaceSuccess::Replaced {
+                println!(
+                    "BridgeLine {:?} successfully replaced.",
+                    bridge.uid_fingerprint
+                );
+                accounted_for_bridges.push(bridge.uid_fingerprint);
+                self.metrics.removed_bridges.inc();
+            } else if res == lox_library::ReplaceSuccess::NotReplaced {
+                // Add the bridge to the list of to_be_replaced bridges in the Lox context and try
+                // again to replace at the next update (nothing changes in the Lox Authority)
+                println!(
+                    "BridgeLine {:?} NOT replaced, saved for next update!",
+                    bridge.uid_fingerprint
+                );
+                self.new_to_be_replaced_bridge(bridge);
+                self.metrics.existing_or_updated_bridges.inc();
+                accounted_for_bridges.push(bridge.uid_fingerprint);
+            } else {
+                // NotFound
+                assert!(
+                    res == lox_library::ReplaceSuccess::NotFound,
+                    "ReplaceSuccess incorrectly set"
+                );
+                println!(
+                    "BridgeLine {:?} no longer in bridge table.",
+                    bridge.uid_fingerprint
+                );
+            }
+        }
+        accounted_for_bridges
+    }
+
+    // Sync resources received from rdsys with the Lox bridgetable
+    pub fn sync_with_bridgetable(&self, resources: ResourceState) {
+        // Check if each resource is already in the Lox bridgetable. If it is, it's probably fine
+        // to replace the existing resource with the incoming one to account for changes
+        // save a list of accounted for bridges and deal with the unaccounted for bridges at the end
+        let mut accounted_for_bridges: Vec<u64> = Vec::new();
+        // ensure all working resources are updated and accounted for
+        if let Some(working_resources) = resources.working {
+            accounted_for_bridges = self.handle_working_resources(working_resources);
+        }
+        if let Some(not_working_resources) = resources.not_working {
+            accounted_for_bridges =
+                self.handle_not_working_resources(not_working_resources, accounted_for_bridges);
+        }
+        let mut ba_clone = self.ba.lock().unwrap();
+        let total_reachable = ba_clone.bridge_table.reachable.len();
+        match total_reachable.cmp(&accounted_for_bridges.len()) {
+            Ordering::Greater => {
+                let unaccounted_for = ba_clone.find_and_remove_unaccounted_for_bridges(accounted_for_bridges);
+                for bridgeline in unaccounted_for {
+                    match self.replace_with_new(bridgeline) {
+                        lox_library::ReplaceSuccess::Replaced => {
+                            println!("BridgeLine {:?} not found in rdsys update was successfully replaced.", bridgeline.uid_fingerprint);
+                            self.metrics.removed_bridges.inc();
+                        }
+                        lox_library::ReplaceSuccess::NotReplaced => {
+                            // Add the bridge to the list of to_be_replaced bridges in the Lox context and try
+                            // again to replace at the next update (nothing changes in the Lox Authority)
+                            println!("BridgeLine {:?} not found in rdsys update NOT replaced, saved for next update!",
+                            bridgeline.uid_fingerprint);
+                            self.new_to_be_replaced_bridge(bridgeline);
+                            self.metrics.existing_or_updated_bridges.inc();
+                        }
+                        lox_library::ReplaceSuccess::NotFound => println!(
+                            "BridgeLine {:?} no longer in reachable bridges.",
+                            bridgeline.uid_fingerprint
+                        ),
+                    }
+                }
+            }
+            Ordering::Less => println!("Something unexpected occurred: The number of reachable bridges should not be less than those updated from rdsys"),
+            _ => (),
+
+        }
+        // Finally, assign any extra_bridges to new buckets if there are enough
+        while self.extra_bridges.lock().unwrap().len() >= MAX_BRIDGES_PER_BUCKET {
+            let bucket = self.remove_extra_bridges();
+            // TODO: Decide the circumstances under which a bridge is allocated to an open_inv or spare bucket,
+            // eventually also do some more fancy grouping of new resources, i.e., by type or region
+            let mut db_obj = self.db.lock().unwrap();
+            match ba_clone.add_spare_bucket(bucket, &mut db_obj) {
+                Ok(_) => (),
+                Err(e) => {
+                    println!("Error: {:?}", e);
+                    for bridge in bucket {
+                        self.append_extra_bridges(bridge);
+                    }
+                }
+            }
+        }
+    }
+
     pub fn append_extra_bridges(&self, bridge: BridgeLine) {
         let mut extra_bridges = self.extra_bridges.lock().unwrap();
         extra_bridges.push(bridge);
@@ -87,6 +274,8 @@ impl LoxServerContext {
         }
     }
 
+    // Attempt to remove a bridge that is failing tests and replace it with a bridge from the
+    // available bridges or from a spare bucket
     pub fn replace_with_new(&self, bridgeline: BridgeLine) -> lox_library::ReplaceSuccess {
         let mut ba_obj = self.ba.lock().unwrap();
         let eb_obj = self.extra_bridges.lock().unwrap();
@@ -100,7 +289,7 @@ impl LoxServerContext {
         result
     }
 
-    /* Uncomment when bridge blocking is finalized
+    /* TODO: Uncomment when bridge blocking is finalized
         pub fn add_unreachable(&self, bridgeline: BridgeLine) -> bool {
             let mut ba_obj = self.ba.lock().unwrap();
             let mut db_obj = self.db.lock().unwrap();
@@ -143,10 +332,16 @@ impl LoxServerContext {
         self.ba.lock().unwrap().today()
     }
 
-    fn gen_invite(&self) -> lox_utils::Invite {
+    fn gen_invite(&self) -> Result<lox_utils::Invite, ExceededMaxBridgesError> {
         let mut obj = self.db.lock().unwrap();
-        lox_utils::Invite {
-            invite: obj.invite(),
+        match obj.invite() {
+            Ok(invite) => {
+                if obj.current_k == 1 {
+                    self.metrics.k_reset_count.inc();
+                }
+                Ok(lox_utils::Invite { invite })
+            }
+            Err(e) => Err(e),
         }
     }
 
@@ -207,9 +402,16 @@ impl LoxServerContext {
 
     // Generate and return an open invitation token
     pub fn generate_invite(self) -> Response<Body> {
+        self.metrics.invites_requested.inc();
         let invite = self.gen_invite();
-        match serde_json::to_string(&invite) {
-            Ok(resp) => prepare_header(resp),
+        match invite {
+            Ok(invite) => match serde_json::to_string(&invite) {
+                Ok(resp) => prepare_header(resp),
+                Err(e) => {
+                    println!("Error parsing Invite to JSON");
+                    prepare_error_header(e.to_string())
+                }
+            },
             Err(e) => {
                 println!("Error parsing Invite to JSON");
                 prepare_error_header(e.to_string())
@@ -261,6 +463,7 @@ impl LoxServerContext {
         match self.open_inv(req) {
             Ok(resp) => {
                 let response = serde_json::to_string(&resp).unwrap();
+                self.metrics.open_inv_count.inc();
                 prepare_header(response)
             }
             Err(e) => {
@@ -278,6 +481,7 @@ impl LoxServerContext {
         match self.trust_promo(req) {
             Ok(resp) => {
                 let response = serde_json::to_string(&resp).unwrap();
+                self.metrics.trust_promo_count.inc();
                 prepare_header(response)
             }
             Err(e) => {
@@ -295,6 +499,7 @@ impl LoxServerContext {
         match self.trust_migration(req) {
             Ok(resp) => {
                 let response = serde_json::to_string(&resp).unwrap();
+                self.metrics.trust_mig_count.inc();
                 prepare_header(response)
             }
             Err(e) => {
@@ -312,6 +517,7 @@ impl LoxServerContext {
         match self.level_up(req) {
             Ok(resp) => {
                 let response = serde_json::to_string(&resp).unwrap();
+                self.metrics.level_up_count.inc();
                 prepare_header(response)
             }
             Err(e) => {
@@ -329,6 +535,7 @@ impl LoxServerContext {
         match self.issue_invite(req) {
             Ok(resp) => {
                 let response = serde_json::to_string(&resp).unwrap();
+                self.metrics.issue_invite_count.inc();
                 prepare_header(response)
             }
             Err(e) => {
@@ -346,6 +553,7 @@ impl LoxServerContext {
         match self.redeem_invite(req) {
             Ok(resp) => {
                 let response = serde_json::to_string(&resp).unwrap();
+                self.metrics.redeem_invite_count.inc();
                 prepare_header(response)
             }
             Err(e) => {
@@ -363,6 +571,7 @@ impl LoxServerContext {
         match self.check_blockage(req) {
             Ok(resp) => {
                 let response = serde_json::to_string(&resp).unwrap();
+                self.metrics.check_blockage_count.inc();
                 prepare_header(response)
             }
             Err(e) => {
@@ -380,6 +589,7 @@ impl LoxServerContext {
         match self.blockage_migration(req) {
             Ok(resp) => {
                 let response = serde_json::to_string(&resp).unwrap();
+                self.metrics.blockage_migration_count.inc();
                 prepare_header(response)
             }
             Err(e) => {
diff --git a/crates/lox-distributor/src/main.rs b/crates/lox-distributor/src/main.rs
index 018661c..290110a 100644
--- a/crates/lox-distributor/src/main.rs
+++ b/crates/lox-distributor/src/main.rs
@@ -1,40 +1,38 @@
-use chrono::Utc;
 use clap::Parser;
 use futures::future;
-use futures::StreamExt;
 use hyper::{
     server::conn::AddrStream,
     service::{make_service_fn, service_fn},
     Body, Request, Response, Server,
 };
-use lox_library::bridge_table::{BridgeLine, MAX_BRIDGES_PER_BUCKET};
-use lox_library::{BridgeAuth, BridgeDb};
 
-use rdsys_backend::{proto::ResourceDiff, start_stream};
+use prometheus_client::registry::Registry;
+use rdsys_backend::{proto::ResourceState, request_resources};
 use serde::Deserialize;
 
 use std::{
     convert::Infallible,
     fs::File,
     io::BufReader,
-    net::SocketAddr,
+    net::{IpAddr, Ipv4Addr, SocketAddr},
     path::PathBuf,
-    sync::{Arc, Mutex},
     time::Duration,
 };
 
-mod file_reader;
-use file_reader::{check_db_exists, read_context_from_file, write_context_to_file};
+mod db_handler;
+use db_handler::DB;
 mod lox_context;
+mod metrics;
+use metrics::Metrics;
 mod request_handler;
 use request_handler::handle;
 mod resource_parser;
-use resource_parser::parse_resource;
+use resource_parser::{parse_into_bridgelines, parse_into_buckets};
 
 use tokio::{
     signal, spawn,
     sync::{broadcast, mpsc, oneshot},
-    time::sleep,
+    time::{interval, sleep},
 };
 
 async fn shutdown_signal() {
@@ -51,11 +49,46 @@ struct Args {
     #[arg(short, long, default_value = "config.json")]
     config: PathBuf,
 
-    /// Optional name/path of the lox context json backup file
-    /// Used to populate the Lox context. If none is provided, an empty
-    /// Lox context will be created
+    // Optional Date/time to roll back to as a %Y-%m-%d_%H:%M:%S string
+    // This argument should be passed if the lox_context should be rolled back to a
+    // previous state due to, for example, a mass blocking event that is likely not
+    // due to Lox user behaviour. If the exact roll back date/time is not known, the
+    // last db entry within 24 hours from the passed roll_back_date will be used or else
+    // the program will fail gracefully.
     #[arg(short, long, verbatim_doc_comment)]
-    backup_context: Option<PathBuf>,
+    roll_back_date: Option<String>,
+}
+
+#[derive(Debug, Deserialize)]
+struct Config {
+    db: DbConfig,
+    metrics_port: u16,
+    bridge_config: BridgeConfig,
+    rtype: ResourceInfo,
+}
+
+// Path of the lox database
+#[derive(Debug, Deserialize)]
+pub struct DbConfig {
+    // The path for the lox_context database, default is "lox_db"
+    db_path: String,
+}
+
+impl Default for DbConfig {
+    fn default() -> DbConfig {
+        DbConfig {
+            db_path: "lox_db".to_owned(),
+        }
+    }
+}
+
+// Config information for how bridges should be allocated to buckets
+#[derive(Debug, Default, Deserialize)]
+pub struct BridgeConfig {
+    // The percentage of buckets (made up of MAX_BRIDGES_PER_BUCKET bridges)
+    // that should be allocated as spare buckets
+    // This will be calculated as the floor of buckets.len() * percent_spares / 100
+    percent_spares: i32,
 }
 
 #[derive(Debug, Deserialize)]
@@ -69,32 +102,37 @@ struct ResourceInfo {
 
 // Rdsys sender creates a ResourceStream with the api_endpoint, resource token and type specified
 // in the config.json file.
-// TODO: ensure this stream gracefully shutdowns on the ctrl_c command.
 async fn rdsys_stream(
     rtype: ResourceInfo,
-    tx: mpsc::Sender<ResourceDiff>,
+    tx: mpsc::Sender<ResourceState>,
     mut kill: broadcast::Receiver<()>,
 ) {
-    let mut rstream = start_stream(rtype.endpoint, rtype.name, rtype.token, rtype.types)
-        .await
-        .expect("rdsys stream initialization failed. Start rdsys or check config.json");
-    loop {
-        tokio::select! {
-        res = rstream.next() => {
-            match res {
-                Some(diff) => tx.send(diff).await.unwrap(),
-                None => return,
-            }
-        },
-                _ = kill.recv() => {println!("Shut down rdsys stream"); return},
+    tokio::select! {
+        start_resource_request = rdsys_request(rtype, tx) => start_resource_request,
+        _ = kill.recv() => {println!("Shut down rdsys request loop")},
 
-        }
+    }
+}
+
+async fn rdsys_request(rtype: ResourceInfo, tx: mpsc::Sender<ResourceState>) {
+    let mut interval = interval(Duration::from_secs(5));
+    loop {
+        interval.tick().await;
+        let resources = request_resources(
+            rtype.endpoint.clone(),
+            rtype.name.clone(),
+            rtype.token.clone(),
+            rtype.types.clone(),
+        )
+        .await
+        .unwrap();
+        tx.send(resources).await.unwrap();
     }
 }
 
 async fn rdsys_bridge_parser(
     rdsys_tx: mpsc::Sender<Command>,
-    rx: mpsc::Receiver<ResourceDiff>,
+    rx: mpsc::Receiver<ResourceState>,
     mut kill: broadcast::Receiver<()>,
 ) {
     tokio::select! {
@@ -103,24 +141,38 @@ async fn rdsys_bridge_parser(
     }
 }
 
-// Parse Bridges receives a ResourceDiff from rdsys_sender and sends it to the
-// Context Manager to be parsed and added to the BridgeDB
-async fn parse_bridges(rdsys_tx: mpsc::Sender<Command>, mut rx: mpsc::Receiver<ResourceDiff>) {
+// Parse Bridges receives the resources from rdsys and sends it to the
+// Context Manager to be parsed and added to the Lox BridgeDB
+async fn parse_bridges(rdsys_tx: mpsc::Sender<Command>, mut rx: mpsc::Receiver<ResourceState>) {
     loop {
-        let resourcediff = rx.recv().await.unwrap();
-        let cmd = Command::Rdsys { resourcediff };
+        let resources = rx.recv().await.unwrap();
+        let cmd = Command::Rdsys { resources };
         rdsys_tx.send(cmd).await.unwrap();
         sleep(Duration::from_secs(1)).await;
     }
 }
 
+async fn start_metrics_collector(
+    metrics_addr: SocketAddr,
+    registry: Registry,
+    mut kill: broadcast::Receiver<()>,
+) {
+    tokio::select! {
+        lox_metrics = metrics::start_metrics_server(metrics_addr, registry) => lox_metrics,
+        _ = kill.recv() => {println!("Shut down metrics server");},
+    }
+}
+
 async fn create_context_manager(
-    backup_context_path: Option<PathBuf>,
+    db_config: DbConfig,
+    bridge_config: BridgeConfig,
+    roll_back_date: Option<String>,
+    metrics: Metrics,
     context_rx: mpsc::Receiver<Command>,
     mut kill: broadcast::Receiver<()>,
 ) {
     tokio::select! {
-        create_context = context_manager(backup_context_path, context_rx) => create_context,
+        create_context = context_manager(db_config, bridge_config, roll_back_date, metrics, context_rx) => create_context,
         _ = kill.recv() => {println!("Shut down context_manager");},
     }
 }
@@ -128,170 +180,50 @@ async fn create_context_manager(
 // Context Manager handles the Lox BridgeDB and Bridge Authority, ensuring
 // that the DB can be updated from the rdsys stream and client requests
 // can be responded to with an updated BridgeDB state
-async fn context_manager(db_path: Option<PathBuf>, mut context_rx: mpsc::Receiver<Command>) {
-    let context: lox_context::LoxServerContext;
-    if let Some(existing_db) = db_path.as_deref() {
-        context = read_context_from_file(existing_db).unwrap();
-    } else if let Some(last_modified_file) = check_db_exists() {
-        println!("Reading from file {:?}", last_modified_file);
-        context = read_context_from_file(&last_modified_file.path()).unwrap();
-    } else {
-        let new_db = BridgeDb::new();
-        let new_ba = BridgeAuth::new(new_db.pubkey);
-        context = lox_context::LoxServerContext {
-            db: Arc::new(Mutex::new(new_db)),
-            ba: Arc::new(Mutex::new(new_ba)),
-            extra_bridges: Arc::new(Mutex::new(Vec::new())),
-            to_be_replaced_bridges: Arc::new(Mutex::new(Vec::new())),
-        }
-    }
+async fn context_manager(
+    db_config: DbConfig,
+    bridge_config: BridgeConfig,
+    roll_back_date: Option<String>,
+    metrics: Metrics,
+    mut context_rx: mpsc::Receiver<Command>,
+) {
+    let (mut lox_db, context) =
+        match DB::open_new_or_existing_db(db_config, roll_back_date, metrics) {
+            Ok((lox_db, context)) => (lox_db, context),
+            Err(e) => {
+                panic!("Error: {:?}", e);
+            }
+        };
 
     while let Some(cmd) = context_rx.recv().await {
         use Command::*;
         match cmd {
-            Rdsys { resourcediff } => {
-                if let Some(new_resources) = resourcediff.new {
-                    let mut count = 0;
-                    let mut bucket = [BridgeLine::default(); MAX_BRIDGES_PER_BUCKET];
-                    for pt in new_resources {
-                        println!("A NEW RESOURCE: {:?}", pt);
-                        if let Some(resources) = pt.1 {
-                            for resource in resources {
-                                let bridgeline = parse_resource(resource);
-                                println!("Now it's a bridgeline: {:?}", bridgeline);
-                                if context.to_be_replaced_bridges.lock().unwrap().len() > 0 {
-                                    println!("BridgeLine to be replaced: {:?}", bridgeline);
-                                    let res = context.replace_with_new(bridgeline);
-                                    if res == lox_library::ReplaceSuccess::NotFound {
-                                        println!(
-                                        "BridgeLine not found in bridge_table, already updated {:?}",
-                                        bridgeline
-                                    );
-                                    } else if res == lox_library::ReplaceSuccess::Replaced {
-                                        println!(
-                                            "BridgeLine successfully replaced: {:?}",
-                                            bridgeline
-                                        );
-                                    } else {
-                                        assert!(
-                                            res == lox_library::ReplaceSuccess::NotReplaced,
-                                            "ReplaceSuccess incorrectly set somehow"
-                                        );
-                                        // Add the bridge to the list of to_be_replaced bridges in the Lox context and try
-                                        // again to replace at the next update (nothing changes in the Lox Authority)
-                                        println!("'Gone' BridgeLine NOT replaced, saved for next update! : {:?}", bridgeline);
-                                        context.new_to_be_replaced_bridge(bridgeline);
-                                    }
-                                } else if count < MAX_BRIDGES_PER_BUCKET {
-                                    bucket[count] = bridgeline;
-                                    count += 1;
-                                } else {
-                                    // TODO: Decide the circumstances under which a bridge is allocated to an open_inv or spare bucket,
-                                    // eventually also do some more fancy grouping of new resources, i.e., by type or region
-                                    context.add_openinv_bucket(bucket);
-                                    count = 0;
-                                    bucket = [BridgeLine::default(); MAX_BRIDGES_PER_BUCKET];
-                                }
-                            }
-                        }
-                    }
-                    // Handle the extra buckets that were not allocated already
-                    if count != 0 {
-                        for val in 0..count {
-                            if context.extra_bridges.lock().unwrap().len()
-                                < (MAX_BRIDGES_PER_BUCKET)
-                            {
-                                context.append_extra_bridges(bucket[val]);
-                            } else {
-                                bucket = context.remove_extra_bridges();
-                                context.add_spare_bucket(bucket);
-                            }
+            Rdsys { resources } => {
+                // If the bridgetable is not being loaded from an existing database, we will populate the
+                // bridgetable with all of the working bridges received from rdsys.
+                if context.bridgetable_is_empty() {
+                    if let Some(working_resources) = resources.working {
+                        let bridgelines = parse_into_bridgelines(working_resources);
+                        context.metrics.new_bridges.inc_by(bridgelines.len() as u64);
+                        let (buckets, leftovers) = parse_into_buckets(bridgelines);
+                        for leftover in leftovers {
+                            context.append_extra_bridges(leftover);
                         }
+                        context.populate_bridgetable(buckets, bridge_config.percent_spares);
+
+                        // otherwise, we need to sync the existing bridgetable with the resources we receive from
+                        // rdsys and ensure that all functioning bridges are correctly placed in the bridgetable
+                        // those that have changed are updated and those that have been failing tests for an extended
+                        // period of time are removed.
+                        // If bridges are labelled as blocked_in, we should also handle blocking behaviour.
                     }
+                } else {
+                    context.sync_with_bridgetable(resources);
                 }
-                if let Some(changed_resources) = resourcediff.changed {
-                    for pt in changed_resources {
-                        println!("A NEW CHANGED RESOURCE: {:?}", pt);
-                        if let Some(resources) = pt.1 {
-                            for resource in resources {
-                                let bridgeline = parse_resource(resource);
-                                println!("BridgeLine to be changed: {:?}", bridgeline);
-                                let res = context.update_bridge(bridgeline);
-                                if res {
-                                    println!("BridgeLine successfully updated: {:?}", bridgeline);
-                                } else {
-                                    println!("BridgeLine: {:?} not found in Lox's Bridgetable. Save it as a new resource for now!", bridgeline);
-                                    if context.extra_bridges.lock().unwrap().len() < 2 {
-                                        context.append_extra_bridges(bridgeline);
-                                    } else {
-                                        let bucket = context.remove_extra_bridges();
-                                        context.add_spare_bucket(bucket);
-                                    }
-                                }
-                            }
-                        }
-                    }
-                }
-                // gone resources are not the same as blocked resources.
-                // Instead, these are bridges which have either failed to pass tests for some period
-                // or have expired bridge descriptors. In both cases, the bridge is unusable, but this
-                // is not likely due to censorship. Therefore, we replace gone resources with new resources
-                // TODO: create a notion of blocked resources from information collected through various means:
-                // https://gitlab.torproject.org/tpo/anti-censorship/censorship-analysis/-/issues/40035
-                if let Some(gone_resources) = resourcediff.gone {
-                    for pt in gone_resources {
-                        println!("A NEW GONE RESOURCE: {:?}", pt);
-                        if let Some(resources) = pt.1 {
-                            for resource in resources {
-                                // If resource last passed tests 3 hours ago, it should be replaced with a working
-                                // resource and be removed from the bridgetable. If it has been gone for more than 7 hours,
-                                // we should stop trying to remove it from the bridge table and assume it has successfully been
-                                // removed already
-                                if resource.last_passed < (Utc::now() - chrono::Duration::hours(3))
-                                    || resource.last_passed
-                                        > (Utc::now() - chrono::Duration::hours(7))
-                                {
-                                    let bridgeline = parse_resource(resource);
-                                    println!("BridgeLine to be replaced: {:?}", bridgeline);
-                                    let res = context.replace_with_new(bridgeline);
-                                    if res == lox_library::ReplaceSuccess::Replaced {
-                                        println!(
-                                            "BridgeLine successfully replaced: {:?}",
-                                            bridgeline
-                                        );
-                                    } else if res == lox_library::ReplaceSuccess::NotReplaced {
-                                        // Add the bridge to the list of to_be_replaced bridges in the Lox context and try
-                                        // again to replace at the next update (nothing changes in the Lox Authority)
-                                        println!(
-                                    "'Gone' BridgeLine NOT replaced, saved for next update! : {:?}",
-                                    bridgeline
-                                );
-                                        context.new_to_be_replaced_bridge(bridgeline);
-                                    }
-                                }
-                            }
-                        }
-                    }
-                }
-                /* Functionality for marking bridges as unreachable/blocked is currently not enabled as there is not
-                yet a reliable way to determine that a bridge is blocked. This means that migrations to unblocked bridges do not
-                currently work but can be easily enabled with a list of `blocked resources` from rdsys or another source with something
-                like the following:
-                            println!("BridgeLine to be removed: {:?}", bridgeline);
-                            let res = context.add_unreachable(bridgeline);
-                            if res {
-                                println!(
-                                    "BridgeLine successfully marked unreachable: {:?}",
-                                    bridgeline
-                                );
-                            } else {
-                                println!("'Gone' BridgeLine NOT REMOVED!! : {:?}", bridgeline);
-                                //TODO probably do something else here
-                            }
-                */
+                // Handle any bridges that are leftover in the bridge authority from the sync
                 context.allocate_leftover_bridges();
                 context.encrypt_table();
-                write_context_to_file(context.clone());
+                lox_db.write_context(context.clone());
                 sleep(Duration::from_millis(1)).await;
             }
             Request { req, sender } => {
@@ -299,9 +231,11 @@ async fn context_manager(db_path: Option<PathBuf>, mut context_rx: mpsc::Receive
                 if let Err(e) = sender.send(response) {
                     eprintln!("Server Response Error: {:?}", e);
                 };
+                lox_db.write_context(context.clone());
                 sleep(Duration::from_millis(1)).await;
             }
             Shutdown { shutdown_sig } => {
+                lox_db.write_context(context.clone());
                 println!("Sending Shutdown Signal, all threads should shutdown.");
                 drop(shutdown_sig);
                 println!("Shutdown Sent.");
@@ -314,7 +248,7 @@ async fn context_manager(db_path: Option<PathBuf>, mut context_rx: mpsc::Receive
 #[derive(Debug)]
 enum Command {
     Rdsys {
-        resourcediff: ResourceDiff,
+        resources: ResourceState,
     },
     Request {
         req: Request<Body>,
@@ -332,8 +266,7 @@ async fn main() {
     let file = File::open(&args.config).expect("Could not read config file");
     let reader = BufReader::new(file);
     // Read the JSON contents of the file as a ResourceInfo
-    let rtype: ResourceInfo =
-        serde_json::from_reader(reader).expect("Reading ResourceInfo from JSON failed.");
+    let config: Config = serde_json::from_reader(reader).expect("Reading Config from JSON failed.");
 
     let (rdsys_tx, context_rx) = mpsc::channel(32);
     let request_tx = rdsys_tx.clone();
@@ -342,6 +275,7 @@ async fn main() {
     // create the shutdown broadcast channel and clone for every thread
     let (shutdown_tx, mut shutdown_rx) = broadcast::channel(16);
     let kill_stream = shutdown_tx.subscribe();
+    let kill_metrics = shutdown_tx.subscribe();
     let kill_parser = shutdown_tx.subscribe();
     let kill_context = shutdown_tx.subscribe();
 
@@ -360,12 +294,27 @@ async fn main() {
         }
     });
 
+    let metrics = Metrics::default();
+    let registry = metrics.register();
+    let metrics_addr =
+        SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), config.metrics_port);
+    let metrics_handler =
+        spawn(async move { start_metrics_collector(metrics_addr, registry, kill_metrics).await });
+
     let context_manager = spawn(async move {
-        create_context_manager(args.backup_context, context_rx, kill_context).await
+        create_context_manager(
+            config.db,
+            config.bridge_config,
+            args.roll_back_date,
+            metrics,
+            context_rx,
+            kill_context,
+        )
+        .await
     });
 
     let (tx, rx) = mpsc::channel(32);
-    let rdsys_stream_handler = spawn(async { rdsys_stream(rtype, tx, kill_stream).await });
+    let rdsys_request_handler = spawn(async { rdsys_stream(config.rtype, tx, kill_stream).await });
 
     let rdsys_resource_receiver =
         spawn(async { rdsys_bridge_parser(rdsys_tx, rx, kill_parser).await });
@@ -395,7 +344,8 @@ async fn main() {
         eprintln!("server error: {}", e);
     }
     future::join_all([
-        rdsys_stream_handler,
+        metrics_handler,
+        rdsys_request_handler,
         rdsys_resource_receiver,
         context_manager,
         shutdown_handler,
diff --git a/crates/lox-distributor/src/metrics.rs b/crates/lox-distributor/src/metrics.rs
new file mode 100644
index 0000000..2dcc4a3
--- /dev/null
+++ b/crates/lox-distributor/src/metrics.rs
@@ -0,0 +1,187 @@
+use hyper::{
+    service::{make_service_fn, service_fn},
+    Body, Request, Response, Server,
+};
+use prometheus_client::{encoding::text::encode, metrics::counter::Counter, registry::Registry};
+use std::{future::Future, io, net::SocketAddr, pin::Pin, sync::Arc};
+use tokio::signal::unix::{signal, SignalKind};
+
+#[derive(Debug, Clone)]
+pub struct Metrics {
+    pub existing_or_updated_bridges: Counter,
+    pub new_bridges: Counter,
+    pub removed_bridges: Counter,
+    pub blocked_bridges: Counter,
+    pub open_inv_count: Counter,
+    pub trust_promo_count: Counter,
+    pub trust_mig_count: Counter,
+    pub level_up_count: Counter,
+    pub issue_invite_count: Counter,
+    pub redeem_invite_count: Counter,
+    pub check_blockage_count: Counter,
+    pub blockage_migration_count: Counter,
+    pub k_reset_count: Counter,
+    pub invites_requested: Counter,
+}
+
+impl Default for Metrics {
+    fn default() -> Self {
+        // Create counters.
+        let existing_or_updated_bridges = Counter::default();
+        let new_bridges = Counter::default();
+        let removed_bridges = Counter::default();
+        let blocked_bridges = Counter::default();
+        let open_inv_count = Counter::default();
+        let trust_promo_count = Counter::default();
+        let trust_mig_count = Counter::default();
+        let level_up_count = Counter::default();
+        let issue_invite_count = Counter::default();
+        let redeem_invite_count = Counter::default();
+        let check_blockage_count = Counter::default();
+        let blockage_migration_count = Counter::default();
+        let k_reset_count = Counter::default();
+        let invites_requested = Counter::default();
+
+        Metrics {
+            existing_or_updated_bridges,
+            new_bridges,
+            removed_bridges,
+            blocked_bridges,
+            open_inv_count,
+            trust_promo_count,
+            trust_mig_count,
+            level_up_count,
+            issue_invite_count,
+            redeem_invite_count,
+            check_blockage_count,
+            blockage_migration_count,
+            k_reset_count,
+            invites_requested,
+        }
+    }
+}
+
+impl Metrics {
+    pub fn register(&self) -> Registry {
+        // Create a Registry and register Counter.
+        let mut r = <Registry>::with_prefix("lox-metrics");
+        r.register(
+            "existing_or_updated_bridges",
+            "number of existing or updated bridges recorded at rdsys sync",
+            self.existing_or_updated_bridges.clone(),
+        );
+        r.register(
+            "new_bridges",
+            "number of new bridges added to bridge table",
+            self.new_bridges.clone(),
+        );
+        r.register(
+            "removed_bridges",
+            "number of bridges removed from the bridgetable",
+            self.removed_bridges.clone(),
+        );
+        r.register(
+            "blocked_bridges",
+            "number of bridges blocked",
+            self.blocked_bridges.clone(),
+        );
+        r.register(
+            "open_inv_counter",
+            "number of open invitations distributed",
+            self.open_inv_count.clone(),
+        );
+        r.register(
+            "trust_promo_counter",
+            "number of trust promotions requests",
+            self.trust_promo_count.clone(),
+        );
+        r.register(
+            "trust_mig_counter",
+            "number of trust migrations requests",
+            self.trust_mig_count.clone(),
+        );
+        r.register(
+            "level_up_counter",
+            "number of level up requests",
+            self.level_up_count.clone(),
+        );
+        r.register(
+            "issue_invite_counter",
+            "number of issue invite requests",
+            self.issue_invite_count.clone(),
+        );
+        r.register(
+            "redeem_invite_counter",
+            "number of level up requests",
+            self.redeem_invite_count.clone(),
+        );
+        r.register(
+            "check_blockage_counter",
+            "number of check blockage requests",
+            self.check_blockage_count.clone(),
+        );
+        r.register(
+            "blockage_migration_counter",
+            "number of blockage migration requests",
+            self.blockage_migration_count.clone(),
+        );
+        r.register(
+            "k_reset_counter",
+            "number of times k has reset to 0",
+            self.k_reset_count.clone(),
+        );
+        r.register(
+            "invites_requested",
+            "number of invites requested",
+            self.invites_requested.clone(),
+        );
+        r
+    }
+}
+
+/// Start a HTTP server to report metrics.
+pub async fn start_metrics_server(metrics_addr: SocketAddr, registry: Registry) {
+    let mut shutdown_stream = signal(SignalKind::terminate()).unwrap();
+
+    eprintln!("Starting metrics server on {metrics_addr}");
+
+    let registry = Arc::new(registry);
+    Server::bind(&metrics_addr)
+        .serve(make_service_fn(move |_conn| {
+            let registry = registry.clone();
+            async move {
+                let handler = make_handler(registry);
+                Ok::<_, io::Error>(service_fn(handler))
+            }
+        }))
+        .with_graceful_shutdown(async move {
+            shutdown_stream.recv().await;
+        })
+        .await
+        .unwrap();
+}
+
+/// This function returns a HTTP handler (i.e. another function)
+pub fn make_handler(
+    registry: Arc<Registry>,
+) -> impl Fn(Request<Body>) -> Pin<Box<dyn Future<Output = io::Result<Response<Body>>> + Send>> {
+    // This closure accepts a request and responds with the OpenMetrics encoding of our metrics.
+    move |_req: Request<Body>| {
+        let reg = registry.clone();
+        Box::pin(async move {
+            let mut buf = String::new();
+            encode(&mut buf, &reg.clone())
+                .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, e))
+                .map(|_| {
+                    let body = Body::from(buf);
+                    Response::builder()
+                        .header(
+                            hyper::header::CONTENT_TYPE,
+                            "application/openmetrics-text; version=1.0.0; charset=utf-8",
+                        )
+                        .body(body)
+                        .unwrap()
+                })
+        })
+    }
+}
diff --git a/crates/lox-distributor/src/request_handler.rs b/crates/lox-distributor/src/request_handler.rs
index d2b4c46..61deb45 100644
--- a/crates/lox-distributor/src/request_handler.rs
+++ b/crates/lox-distributor/src/request_handler.rs
@@ -74,9 +74,11 @@ pub async fn handle(
 #[cfg(test)]
 mod tests {
     use crate::lox_context;
+    use crate::metrics::Metrics;
 
     use super::*;
 
+    use base64::{engine::general_purpose, Engine as _};
     use chrono::{Duration, Utc};
     use julianday::JulianDay;
     use lox_library::{
@@ -235,6 +237,7 @@ mod tests {
                 ba: Arc::new(Mutex::new(lox_auth)),
                 extra_bridges: Arc::new(Mutex::new(Vec::new())),
                 to_be_replaced_bridges: Arc::new(Mutex::new(Vec::new())),
+                metrics: Metrics::default(),
             };
             Self { context }
         }
@@ -298,7 +301,7 @@ mod tests {
         rng.fill_bytes(&mut cert);
         let infostr: String = format!(
             "obfs4 cert={}, iat-mode=0",
-            base64::encode_config(cert, base64::STANDARD_NO_PAD)
+            general_purpose::STANDARD_NO_PAD.encode(cert)
         );
         res.info[..infostr.len()].copy_from_slice(infostr.as_bytes());
         res
diff --git a/crates/lox-distributor/src/resource_parser.rs b/crates/lox-distributor/src/resource_parser.rs
index 7a541b3..9136450 100644
--- a/crates/lox-distributor/src/resource_parser.rs
+++ b/crates/lox-distributor/src/resource_parser.rs
@@ -1,13 +1,19 @@
-use lox_library::bridge_table::{BridgeLine, BRIDGE_BYTES};
+use chrono::{Duration, Utc};
+use lox_library::bridge_table::{BridgeLine, BRIDGE_BYTES, MAX_BRIDGES_PER_BUCKET};
 use rdsys_backend::proto::Resource;
 
-pub fn parse_resource(resource: Resource) -> BridgeLine {
-    let mut ip_bytes: [u8; 16] = [0; 16];
-    ip_bytes[..resource.address.len()].copy_from_slice(resource.address.as_bytes());
-    let resource_uid = resource
-        .get_uid()
-        .expect("Unable to get Fingerprint UID of resource");
-    let infostr: String = format!(
+pub const ACCEPTED_HOURS_OF_FAILURE: i64 = 3;
+
+// Parse each resource from rdsys into a Bridgeline as expected by the Lox Bridgetable
+pub fn parse_into_bridgelines(resources: Vec<Resource>) -> Vec<BridgeLine> {
+    let mut bridgelines: Vec<BridgeLine> = Vec::new();
+    for resource in resources {
+        let mut ip_bytes: [u8; 16] = [0; 16];
+        ip_bytes[..resource.address.len()].copy_from_slice(resource.address.as_bytes());
+        let resource_uid = resource
+            .get_uid()
+            .expect("Unable to get Fingerprint UID of resource");
+        let infostr: String = format!(
  "type={} blocked_in={:?} protocol={} fingerprint={:?} or_addresses={:?} distribution={} flags={:?} params={:?}",
  resource.r#type,
  resource.blocked_in,
@@ -18,13 +24,167 @@ pub fn parse_resource(resource: Resource) -> BridgeLine {
  resource.flags,
  resource.params,
 );
-    let mut info_bytes: [u8; BRIDGE_BYTES - 26] = [0; BRIDGE_BYTES - 26];
+        let mut info_bytes: [u8; BRIDGE_BYTES - 26] = [0; BRIDGE_BYTES - 26];
 
-    info_bytes[..infostr.len()].copy_from_slice(infostr.as_bytes());
-    BridgeLine {
-        addr: ip_bytes,
-        port: resource.port,
-        uid_fingerprint: resource_uid,
-        info: info_bytes,
+        info_bytes[..infostr.len()].copy_from_slice(infostr.as_bytes());
+        bridgelines.push(BridgeLine {
+            addr: ip_bytes,
+            port: resource.port,
+            uid_fingerprint: resource_uid,
+            info: info_bytes,
+        })
+    }
+    bridgelines
+}
+
+// Allocate each Bridgeline into a bucket that will later be allocated into spare buckets or open invitation buckets
+// Any leftover buckets from total_bridgelines % MAX_BRIDGES_PER_BUCKET are returned in a separate Vec<Bridgeline>
+// TODO: Improve this function to sort bridgelines into buckets in a more intentional manner. This could include
+// sorting bridgelines with high bandwidth into buckets that are only distributed to more trusted users or sorting
+// bridgelines by location
+pub fn parse_into_buckets(
+    mut bridgelines: Vec<BridgeLine>,
+) -> (Vec<[BridgeLine; MAX_BRIDGES_PER_BUCKET]>, Vec<BridgeLine>) {
+    let mut buckets: Vec<[BridgeLine; MAX_BRIDGES_PER_BUCKET]> = Vec::new();
+    let mut count = 0;
+    let mut bucket = [BridgeLine::default(); MAX_BRIDGES_PER_BUCKET];
+    let mut leftovers: Vec<BridgeLine> = Vec::new();
+    for bridgeline in bridgelines.clone() {
+        println!(
+            "Added bridge with fingerprint: {:?}",
+            bridgeline.uid_fingerprint
+        );
+        if count < MAX_BRIDGES_PER_BUCKET {
+            bucket[count] = bridgeline;
+            count += 1;
+        } else {
+            buckets.push(bucket);
+            count = 0;
+            bucket = [BridgeLine::default(); MAX_BRIDGES_PER_BUCKET];
+        }
+    }
+    // Handle the extra buckets that were not allocated already
+    if count != 0 {
+        for _ in 0..count {
+            // Assumes that the unallocated bridgelines will be the last x of the passed bridgelines
+            leftovers.push(bridgelines.pop().unwrap());
+        }
+    }
+    (buckets, leftovers)
+}
+
+// Sort Resources into those that are functional and those that are failing based on the last time
+// they were passing tests. Before passing them back to the calling function, they are parsed into
+// BridgeLines
+pub fn sort_for_parsing(resources: Vec<Resource>) -> (Vec<BridgeLine>, Vec<BridgeLine>) {
+    let mut grace_period: Vec<Resource> = Vec::new();
+    let mut failing: Vec<Resource> = Vec::new();
+    for resource in resources {
+        // TODO: Maybe filter for untested resources first if last_passed alone would skew
+        // the filter in an unintended direction
+        if resource.test_result.last_passed + Duration::hours(ACCEPTED_HOURS_OF_FAILURE)
+            >= Utc::now()
+        {
+            grace_period.push(resource);
+        } else {
+            failing.push(resource);
+        }
+    }
+    let grace_period_bridgelines = parse_into_bridgelines(grace_period);
+    let failing_bridgelines = parse_into_bridgelines(failing);
+
+    (grace_period_bridgelines, failing_bridgelines)
+}
+
+#[cfg(test)]
+mod tests {
+    use rdsys_backend::proto::{Resource, TestResults};
+    use std::collections::HashMap;
+
+    use chrono::{Duration, Utc};
+
+    use super::sort_for_parsing;
+
+    pub fn make_resource(
+        rtype: String,
+        address: String,
+        port: u16,
+        fingerprint: String,
+        last_passed: i64,
+    ) -> Resource {
+        let mut flags = HashMap::new();
+        flags.insert(String::from("fast"), true);
+        flags.insert(String::from("stable"), true);
+        let mut params = HashMap::new();
+        params.insert(
+            String::from("password"),
+            String::from("ABCDEFGHIJKLMNOPQRSTUVWXYZ234567"),
+        );
+        Resource {
+            r#type: String::from(rtype),
+            blocked_in: HashMap::new(),
+            test_result: TestResults {
+                last_passed: Utc::now() - Duration::hours(last_passed),
+            },
+            protocol: String::from("tcp"),
+            address: String::from(address),
+            port: port,
+            fingerprint: String::from(fingerprint),
+            or_addresses: None,
+            distribution: String::from("https"),
+            flags: Some(flags),
+            params: Some(params),
+        }
+    }
+
+    #[test]
+    fn test_sort_for_parsing() {
+        let resource_one = make_resource(
+            "scramblesuit".to_owned(),
+            "123.456.789.100".to_owned(),
+            3002,
+            "BE84A97D02130470A1C77839954392BA979F7EE1".to_owned(),
+            2,
+        );
+        let resource_two = make_resource(
+            "https".to_owned(),
+            "123.222.333.444".to_owned(),
+            6002,
+            "C56B9EF202130470A1C77839954392BA979F7FF9".to_owned(),
+            5,
+        );
+        let resource_three = make_resource(
+            "scramblesuit".to_owned(),
+            "444.888.222.100".to_owned(),
+            3042,
+            "1A4C8BD902130470A1C77839954392BA979F7B46".to_owned(),
+            4,
+        );
+        let resource_four = make_resource(
+            "https".to_owned(),
+            "555.444.212.100".to_owned(),
+            8022,
+            "FF024DC302130470A1C77839954392BA979F7AE2".to_owned(),
+            3,
+        );
+        let resource_five = make_resource(
+            "https".to_owned(),
+            "234.111.212.100".to_owned(),
+            10432,
+            "7B4DE14CB2130470A1C77839954392BA979F7AE2".to_owned(),
+            1,
+        );
+        let mut test_vec: Vec<Resource> = Vec::new();
+        test_vec.push(resource_one);
+        test_vec.push(resource_two);
+        test_vec.push(resource_three);
+        test_vec.push(resource_four);
+        test_vec.push(resource_five);
+        let (functional, failing) = sort_for_parsing(test_vec);
+        assert!(
+            functional.len() == 2,
+            "There should be 2 functional bridges"
+        );
+        assert!(failing.len() == 3, "There should be 3 failing bridges");
     }
 }
diff --git a/crates/lox-library/Cargo.toml b/crates/lox-library/Cargo.toml
index 30c6cda..647f32c 100644
--- a/crates/lox-library/Cargo.toml
+++ b/crates/lox-library/Cargo.toml
@@ -9,28 +9,24 @@ description = "Main Lox library with protocols and functions that that make up L
 keywords = ["tor", "lox", "bridges"]
 
 [dependencies]
-curve25519-dalek = { package = "curve25519-dalek-ng", version = "3", default-features = false, features = ["serde", "std"] }
-ed25519-dalek = { version = "1", features = ["serde"] }
-# zkp = { version = "0.8", features = ["debug-transcript"] }
-zkp = "0.8"
+curve25519-dalek = { version = "4", default-features = false, features = ["serde", "rand_core", "digest"] }
+ed25519-dalek = { version = "2", features = ["serde", "rand_core"] }
 bincode = "1"
 chrono = "0.4"
-rand = "0.7"
-serde = "1.0.188"
-serde_with = {version = "3.3.0", features = ["json"]}
-sha2 = "0.9"
+rand = { version = "0.8", features = ["std_rng"]}
+serde = "1.0.190"
+serde_with = {version = "3.4.0", features = ["json"]}
+sha2 = "0.10"
 statistical = "1.0.0"
 lazy_static = "1"
 hex_fmt = "0.3"
-aes-gcm = "0.8"
-base64 = "0.13"
-time = "0.3.28"
-subtle = "2.4"
-thiserror = "1.0.48"
+aes-gcm = { version = "0.10", features =["aes"]}
+base64 = "0.21"
+time = "0.3.30"
+prometheus = "0.13.3"
+subtle = "2.5"
+thiserror = "1.0.49"
+zkp = { git = "https://gitlab.torproject.org/onyinyang/lox-zkp" }
 
 [features]
-default = ["u64_backend"]
-u32_backend = ["curve25519-dalek/u32_backend"]
-u64_backend = ["curve25519-dalek/u64_backend"]
-simd_backend = ["curve25519-dalek/simd_backend"]
 fast = []
diff --git a/crates/lox-library/src/bridge_table.rs b/crates/lox-library/src/bridge_table.rs
index d820bd0..43e248b 100644
--- a/crates/lox-library/src/bridge_table.rs
+++ b/crates/lox-library/src/bridge_table.rs
@@ -11,8 +11,9 @@ use super::cred;
 use super::IssuerPrivKey;
 use super::CMZ_B_TABLE;
 use aes_gcm::aead;
-use aes_gcm::aead::{generic_array::GenericArray, Aead, NewAead};
-use aes_gcm::Aes128Gcm;
+use aes_gcm::aead::{generic_array::GenericArray, Aead};
+use aes_gcm::{Aes128Gcm, KeyInit};
+use base64::{engine::general_purpose, Engine as _};
 use curve25519_dalek::ristretto::CompressedRistretto;
 use curve25519_dalek::ristretto::RistrettoBasepointTable;
 use curve25519_dalek::scalar::Scalar;
@@ -149,8 +150,12 @@ impl BridgeLine {
         let date = u32::from_le_bytes(data[pos..pos + 4].try_into().unwrap());
         let (optP, optQ) = if date > 0 {
             (
-                CompressedRistretto::from_slice(&data[pos + 4..pos + 36]).decompress(),
-                CompressedRistretto::from_slice(&data[pos + 36..]).decompress(),
+                CompressedRistretto::from_slice(&data[pos + 4..pos + 36])
+                    .expect("Unable to extract P from bucket")
+                    .decompress(),
+                CompressedRistretto::from_slice(&data[pos + 36..])
+                    .expect("Unable to extract Q from bucket")
+                    .decompress(),
             )
         } else {
             (None, None)
@@ -170,6 +175,7 @@ impl BridgeLine {
             (bridges, None)
         }
     }
+
     /// Create a random BridgeLine for testing
     #[cfg(test)]
     pub fn random() -> Self {
@@ -197,7 +203,7 @@ impl BridgeLine {
         rng.fill_bytes(&mut cert);
         let infostr: String = format!(
             "obfs4 cert={}, iat-mode=0",
-            base64::encode_config(cert, base64::STANDARD_NO_PAD)
+            general_purpose::STANDARD_NO_PAD.encode(cert)
         );
         res.info[..infostr.len()].copy_from_slice(infostr.as_bytes());
         res
diff --git a/crates/lox-library/src/dup_filter.rs b/crates/lox-library/src/dup_filter.rs
index 6f874ba..2bd747a 100644
--- a/crates/lox-library/src/dup_filter.rs
+++ b/crates/lox-library/src/dup_filter.rs
@@ -4,8 +4,7 @@
 This implementation just keeps the table of seen ids in memory, but a
 production one would of course use a disk-backed database. */
 
-use std::cmp::Eq;
-use std::collections::HashMap;
+use std::collections::HashSet;
 use std::hash::Hash;
 
 use serde::{Deserialize, Serialize};
@@ -14,7 +13,7 @@ use serde::{Deserialize, Serialize};
 /// seen ids.  IdType will typically be Scalar.
 #[derive(Default, Debug, Serialize, Deserialize)]
 pub struct DupFilter<IdType: Hash + Eq + Copy + Serialize> {
-    seen_table: HashMap<IdType, ()>,
+    seen_table: HashSet<IdType>,
 }
 
 /// A return type indicating whether the item was fresh (not previously
@@ -30,7 +29,7 @@ impl<IdType: Hash + Eq + Copy + Serialize> DupFilter<IdType> {
     /// to the seen table.  Return Seen if it is already in the table,
     /// Fresh if not.
     pub fn check(&self, id: &IdType) -> SeenType {
-        if self.seen_table.contains_key(id) {
+        if self.seen_table.contains(id) {
             SeenType::Seen
         } else {
             SeenType::Fresh
@@ -41,9 +40,9 @@ impl<IdType: Hash + Eq + Copy + Serialize> DupFilter<IdType> {
     /// table, and add it if not.  Return Fresh if it was not already
     /// in the table, and Seen if it was.
     pub fn filter(&mut self, id: &IdType) -> SeenType {
-        match self.seen_table.insert(*id, ()) {
-            None => SeenType::Fresh,
-            Some(()) => SeenType::Seen,
+        match self.seen_table.insert(*id) {
+            true => SeenType::Fresh,
+            false => SeenType::Seen,
         }
     }
 }
diff --git a/crates/lox-library/src/lib.rs b/crates/lox-library/src/lib.rs
index 8a5de08..ee75858 100644
--- a/crates/lox-library/src/lib.rs
+++ b/crates/lox-library/src/lib.rs
@@ -22,6 +22,7 @@ pub mod cred;
 pub mod dup_filter;
 pub mod migration_table;
 
+use chrono::Duration;
 use chrono::{DateTime, Utc};
 use sha2::Sha512;
 
@@ -36,7 +37,7 @@ use rand::Rng;
 use std::collections::HashMap;
 use std::convert::{TryFrom, TryInto};
 
-use ed25519_dalek::{Keypair, PublicKey, Signature, SignatureError, Signer, Verifier};
+use ed25519_dalek::{Signature, SignatureError, Signer, SigningKey, Verifier, VerifyingKey};
 use subtle::ConstantTimeEq;
 
 use std::collections::HashSet;
@@ -57,7 +58,7 @@ lazy_static! {
     pub static ref CMZ_B: RistrettoPoint = dalek_constants::RISTRETTO_BASEPOINT_POINT;
     pub static ref CMZ_A_TABLE: RistrettoBasepointTable = RistrettoBasepointTable::create(&CMZ_A);
     pub static ref CMZ_B_TABLE: RistrettoBasepointTable =
-        dalek_constants::RISTRETTO_BASEPOINT_TABLE;
+        dalek_constants::RISTRETTO_BASEPOINT_TABLE.clone();
 }
 
 // EXPIRY_DATE is set to EXPIRY_DATE days for open-entry and blocked buckets in order to match
@@ -78,6 +79,12 @@ pub enum NoAvailableIDError {
     ExhaustedIndexer,
 }
 
+#[derive(Error, Debug)]
+pub enum ExceededMaxBridgesError {
+    #[error("The maximum number of bridges has already been distributed today, please try again tomorrow!")]
+    ExceededMaxBridges,
+}
+
 #[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct IssuerPrivKey {
     x0tilde: Scalar,
@@ -123,20 +130,26 @@ impl IssuerPubKey {
     }
 }
 
+// Number of times a given invitation is ditributed
 pub const OPENINV_K: u32 = 10;
+// TODO: Decide on maximum daily number of invitations to be distributed
+pub const MAX_DAILY_BRIDGES: u32 = 100;
 /// The BridgeDb.  This will typically be a singleton object.  The
 /// BridgeDb's role is simply to issue signed "open invitations" to
 /// people who are not yet part of the system.
 #[derive(Debug, Serialize, Deserialize)]
 pub struct BridgeDb {
     /// The keypair for signing open invitations
-    keypair: Keypair,
+    keypair: SigningKey,
     /// The public key for verifying open invitations
-    pub pubkey: PublicKey,
+    pub pubkey: VerifyingKey,
     /// The set of open-invitation buckets
     openinv_buckets: HashSet<u32>,
     distributed_buckets: Vec<u32>,
-    current_k: u32,
+    #[serde(skip)]
+    today: DateTime<Utc>,
+    pub current_k: u32,
+    pub daily_bridges_distributed: u32,
 }
 
 /// An open invitation is a [u8; OPENINV_LENGTH] where the first 32
@@ -152,14 +165,16 @@ impl BridgeDb {
     /// Create the BridgeDb.
     pub fn new() -> Self {
         let mut csprng = OsRng {};
-        let keypair = Keypair::generate(&mut csprng);
-        let pubkey = keypair.public;
+        let keypair = SigningKey::generate(&mut csprng);
+        let pubkey = keypair.verifying_key();
         Self {
             keypair,
             pubkey,
             openinv_buckets: Default::default(),
             distributed_buckets: Default::default(),
+            today: Utc::now(),
             current_k: 0,
+            daily_bridges_distributed: 0,
         }
     }
 
@@ -189,30 +204,39 @@ impl BridgeDb {
     /// Produce an open invitation such that the next k users, where k is <
     /// OPENINV_K, will receive the same open invitation bucket
     /// chosen randomly from the set of open-invitation buckets.
-    pub fn invite(&mut self) -> [u8; OPENINV_LENGTH] {
+    pub fn invite(&mut self) -> Result<[u8; OPENINV_LENGTH], ExceededMaxBridgesError> {
         let mut res: [u8; OPENINV_LENGTH] = [0; OPENINV_LENGTH];
         let mut rng = rand::thread_rng();
         // Choose a random invitation id (a Scalar) and serialize it
         let id = Scalar::random(&mut rng);
         res[0..32].copy_from_slice(&id.to_bytes());
         let bucket_num: u32;
-        if self.current_k < OPENINV_K && !self.distributed_buckets.is_empty() {
-            bucket_num = *self.distributed_buckets.last().unwrap();
-            self.current_k += 1;
-        } else {
-            // Choose a random bucket number (from the set of open
-            // invitation buckets) and serialize it
-            let openinv_vec: Vec<&u32> = self.openinv_buckets.iter().collect();
-            bucket_num = *openinv_vec[rng.gen_range(0, openinv_vec.len())];
-            self.mark_distributed(bucket_num);
-            self.remove_openinv(&bucket_num);
-            self.current_k = 1;
+        if Utc::now() >= (self.today + Duration::days(1)) {
+            self.today = Utc::now();
+            self.daily_bridges_distributed = 0;
+        }
+        if self.daily_bridges_distributed < MAX_DAILY_BRIDGES {
+            if self.current_k < OPENINV_K && !self.distributed_buckets.is_empty() {
+                bucket_num = *self.distributed_buckets.last().unwrap();
+                self.current_k += 1;
+            } else {
+                // Choose a random bucket number (from the set of open
+                // invitation buckets) and serialize it
+                let openinv_vec: Vec<&u32> = self.openinv_buckets.iter().collect();
+                bucket_num = *openinv_vec[rng.gen_range(0..openinv_vec.len())];
+                self.mark_distributed(bucket_num);
+                self.remove_openinv(&bucket_num);
+                self.current_k = 1;
+                self.daily_bridges_distributed += 1;
+            }
+            res[32..(32 + 4)].copy_from_slice(&bucket_num.to_le_bytes());
+            // Sign the first 36 bytes and serialize it
+            let sig = self.keypair.sign(&res[0..(32 + 4)]);
+            res[(32 + 4)..].copy_from_slice(&sig.to_bytes());
+            Ok(res)
+        } else {
+            Err(ExceededMaxBridgesError::ExceededMaxBridges)
         }
-        res[32..(32 + 4)].copy_from_slice(&bucket_num.to_le_bytes());
-        // Sign the first 36 bytes and serialize it
-        let sig = self.keypair.sign(&res[0..(32 + 4)]);
-        res[(32 + 4)..].copy_from_slice(&sig.to_bytes());
-        res
     }
 
     /// Verify an open invitation.  Returns the invitation id and the
@@ -221,7 +245,7 @@ impl BridgeDb {
     /// before.
     pub fn verify(
         invitation: [u8; OPENINV_LENGTH],
-        pubkey: PublicKey,
+        pubkey: VerifyingKey,
     ) -> Result<(Scalar, u32), SignatureError> {
         // Pull out the signature and verify it
         let sig = Signature::try_from(&invitation[(32 + 4)..])?;
@@ -229,11 +253,13 @@ impl BridgeDb {
         // The signature passed.  Pull out the bucket number and then
         // the invitation id
         let bucket = u32::from_le_bytes(invitation[32..(32 + 4)].try_into().unwrap());
-        match Scalar::from_canonical_bytes(invitation[0..32].try_into().unwrap()) {
+        let s = Scalar::from_canonical_bytes(invitation[0..32].try_into().unwrap());
+        if s.is_some().into() {
+            return Ok((s.unwrap(), bucket));
+        } else {
             // It should never happen that there's a valid signature on
             // an invalid serialization of a Scalar, but check anyway.
-            None => Err(SignatureError::new()),
-            Some(s) => Ok((s, bucket)),
+            return Err(SignatureError::new());
         }
     }
 }
@@ -269,7 +295,7 @@ pub struct BridgeAuth {
     pub invitation_pub: IssuerPubKey,
 
     /// The public key of the BridgeDb issuing open invitations
-    pub bridgedb_pub: PublicKey,
+    pub bridgedb_pub: VerifyingKey,
 
     /// The bridge table
     pub bridge_table: BridgeTable,
@@ -294,7 +320,7 @@ pub struct BridgeAuth {
 }
 
 impl BridgeAuth {
-    pub fn new(bridgedb_pub: PublicKey) -> Self {
+    pub fn new(bridgedb_pub: VerifyingKey) -> Self {
         // Create the private and public keys for each of the types of
         // credential, each with the appropriate number of attributes
         let lox_priv = IssuerPrivKey::new(6);
@@ -330,6 +356,10 @@ impl BridgeAuth {
         }
     }
 
+    pub fn is_empty(&mut self) -> bool {
+        self.bridge_table.buckets.is_empty()
+    }
+
     /// Insert a set of open invitation bridges.
     ///
     /// Each of the bridges will be given its own open invitation
@@ -376,19 +406,17 @@ impl BridgeAuth {
         Ok(())
     }
 
-    // TODO Ensure synchronization of Lox bridge_table with rdsys
-    pub fn sync_table(&mut self) {
-
-        // Create a hashtable (?) of bridges in the lox distributor from new resources
-        // accept the hashtable and recreate the bridge table from the hash table here
-        // using existing reachable bridges, other table checks and placements from existing bridge table
-        // If bridges are in reachable bridges, put them in the table with their Vec
-        // How to check for bridges that aren't there/are extra?
-        // After going through the update, make sure bridges in the table are the same and deal with discrepencies
-        // This will be the bad/annoying part
-
-        //also use open_inv_keys and blocked_keys from bridge_table to remove expired keys from table.
-        // make sure this happens before they are removed from the structures in the bridge table
+    pub fn find_and_remove_unaccounted_for_bridges(
+        &mut self,
+        accounted_for_bridges: Vec<u64>,
+    ) -> Vec<BridgeLine> {
+        let mut unaccounted_for: Vec<BridgeLine> = Vec::new();
+        for (k, _v) in self.bridge_table.reachable.clone() {
+            if !accounted_for_bridges.contains(&k.uid_fingerprint) {
+                unaccounted_for.push(k);
+            }
+        }
+        unaccounted_for
     }
 
     pub fn allocate_bridges(
@@ -428,16 +456,11 @@ impl BridgeAuth {
         let reachable_bridges = self.bridge_table.reachable.clone();
         for reachable_bridge in reachable_bridges {
             if reachable_bridge.0.uid_fingerprint == bridge.uid_fingerprint {
-                println!(
-                    "Bridge from table: {:?} has same IP and Port as bridge {:?}!",
-                    reachable_bridge.0, bridge
-                );
                 // Now we must remove the old bridge from the table and insert the new bridge in its place
                 // i.e., in the same bucket and with the same permissions.
                 let positions = self.bridge_table.reachable.get(&reachable_bridge.0);
                 if let Some(v) = positions {
                     for (bucketnum, offset) in v.iter() {
-                        println!("Bucket num: {:?} and offset: {:?}", bucketnum, offset);
                         let mut bridgelines = match self.bridge_table.buckets.get(bucketnum) {
                             Some(bridgelines) => *bridgelines,
                             None => return res,
@@ -445,11 +468,9 @@ impl BridgeAuth {
                         assert!(bridgelines[*offset] == reachable_bridge.0);
                         bridgelines[*offset] = *bridge;
                         self.bridge_table.buckets.insert(*bucketnum, bridgelines);
-                        let bridgelines = match self.bridge_table.buckets.get(bucketnum) {
-                            Some(bridgelines) => *bridgelines,
-                            None => return res,
-                        };
-                        assert!(bridgelines[*offset] != reachable_bridge.0);
+                        if self.bridge_table.buckets.get(bucketnum).is_none() {
+                            return res;
+                        }
                     }
                     res = true;
                 } else {
@@ -776,6 +797,11 @@ impl BridgeAuth {
                 .iter()
                 .partition(|&x| x.1 + EXPIRY_DATE < self.today());
             for item in expired {
+                // We should check that the items were actually distributed before they are removed
+                if !bdb.distributed_buckets.contains(&item.0) {
+                    // TODO: Add prometheus metric for this?
+                    println!("This bucket was not actually distributed!");
+                }
                 let new_item = item.0;
                 bdb.remove_blocked_or_expired_buckets(&new_item);
                 // Remove any trust upgrade migrations from this
diff --git a/crates/lox-library/src/migration_table.rs b/crates/lox-library/src/migration_table.rs
index 5697b00..612e71e 100644
--- a/crates/lox-library/src/migration_table.rs
+++ b/crates/lox-library/src/migration_table.rs
@@ -16,8 +16,8 @@ use curve25519_dalek::scalar::Scalar;
 use sha2::Digest;
 use sha2::Sha256;
 
-use aes_gcm::aead::{generic_array::GenericArray, Aead, NewAead};
-use aes_gcm::Aes128Gcm;
+use aes_gcm::aead::{generic_array::GenericArray, Aead};
+use aes_gcm::{Aes128Gcm, KeyInit};
 use rand::RngCore;
 
 use std::collections::HashMap;
@@ -249,8 +249,12 @@ pub fn decrypt_cred(
     let mut to_bucket_bytes: [u8; 32] = [0; 32];
     to_bucket_bytes.copy_from_slice(&plaintextbytes[..32]);
     let to_bucket = Scalar::from_bytes_mod_order(to_bucket_bytes);
-    let P = CompressedRistretto::from_slice(&plaintextbytes[32..64]).decompress()?;
-    let Q = CompressedRistretto::from_slice(&plaintextbytes[64..]).decompress()?;
+    let P = CompressedRistretto::from_slice(&plaintextbytes[32..64])
+        .expect("Unable to extract P from bucket")
+        .decompress()?;
+    let Q = CompressedRistretto::from_slice(&plaintextbytes[64..])
+        .expect("Unable to extract Q from bucket")
+        .decompress()?;
 
     Some(Migration {
         P,
diff --git a/crates/lox-library/src/proto/blockage_migration.rs b/crates/lox-library/src/proto/blockage_migration.rs
index f1808cd..c367dcf 100644
--- a/crates/lox-library/src/proto/blockage_migration.rs
+++ b/crates/lox-library/src/proto/blockage_migration.rs
@@ -26,9 +26,7 @@ and a new Lox credential to be issued:
 - trust_level: revealed to be 2 less than the trust_level above
 - level_since: today
 - invites_remaining: revealed to be LEVEL_INVITATIONS for the new trust
-  level [Actually, there's a bug in the zkp crate that's triggered when
-  a public value is 0 (the identity element of the Ristretto group), so
-  we treat this field as blinded, but the _server_ encrypts the value.]
+  level
 - blockages: blinded, but proved in ZK that it's one more than the
   blockages above
 
@@ -104,11 +102,9 @@ pub struct Response {
     // The fields for the new Lox credential
     P: RistrettoPoint,
     EncQ: (RistrettoPoint, RistrettoPoint),
-    EncInvRemain: (RistrettoPoint, RistrettoPoint),
     id_server: Scalar,
     TId: RistrettoPoint,
     TBucket: RistrettoPoint,
-    TInvRemain: RistrettoPoint,
     TBlockages: RistrettoPoint,
 
     // The ZKP
@@ -155,11 +151,10 @@ define_proof! {
     blindissue,
     "Blockage Migration Blind Issuing",
     (x0, x0tilde, xid, xbucket, xlevel, xsince, xinvremain, xblockages,
-     s, b, tid, tbucket, tinvremain, tblockages),
+     s, b, tid, tbucket, tblockages),
     (P, EncQ0, EncQ1, X0, Xid, Xbucket, Xlevel, Xsince, Xinvremain,
-    Xblockages, Plevel, Psince, TId, TBucket, TInvRemain, TBlockages,
-     D, EncId0, EncId1, EncBucket0, EncBucket1, EncInvRemain0,
-     EncInvRemain1, EncBlockages0, EncBlockages1),
+    Xblockages, Plevel, Psince, Pinvremain, TId, TBucket, TBlockages,
+     D, EncId0, EncId1, EncBucket0, EncBucket1, EncBlockages0, EncBlockages1),
     (A, B):
     Xid = (xid*A),
     Xlevel = (xlevel*A),
@@ -173,14 +168,12 @@ define_proof! {
     TId = (tid*A),
     TBucket = (b*Xbucket),
     TBucket = (tbucket*A),
-    TInvRemain = (b*Xinvremain),
-    TInvRemain = (tinvremain*A),
     TBlockages = (b*Xblockages),
     TBlockages = (tblockages*A),
     EncQ0 = (s*B + tid*EncId0 + tbucket*EncBucket0
-        + tinvremain*EncInvRemain0 + tblockages*EncBlockages0),
+        + tblockages*EncBlockages0),
     EncQ1 = (s*D + tid*EncId1 + tbucket*EncBucket1
-        + tinvremain*EncInvRemain1 + tblockages*EncBlockages1
+         + tblockages*EncBlockages1
         + x0*P + xlevel*Plevel + xsince*Psince)
 }
 
@@ -288,7 +281,7 @@ pub fn request(
         &migration_cred.to_bucket * Btable + ebucket * D,
     );
     let eblockages = Scalar::random(&mut rng);
-    let new_blockages = lox_cred.blockages + Scalar::one();
+    let new_blockages = lox_cred.blockages + Scalar::ONE;
     let EncBlockages = (
         &eblockages * Btable,
         &new_blockages * Btable + eblockages * D,
@@ -484,14 +477,6 @@ impl BridgeAuth {
         // invitations for moving from level i to level i+1)
         let invremain: Scalar = LEVEL_INVITATIONS[(level - 3) as usize].into();
 
-        // Because of the bug in the zkp crate, encrypt the invites
-        // remaining instead of sending it in the clear
-        let sinvremain = Scalar::random(&mut rng);
-        let EncInvRemain = (
-            &sinvremain * Btable,
-            &invremain * Btable + sinvremain * req.D,
-        );
-
         // Compute the MAC on the visible attributes
         let b = Scalar::random(&mut rng);
         let P = &b * Btable;
@@ -512,9 +497,6 @@ impl BridgeAuth {
         let tbucket = self.lox_priv.x[2] * b;
         let TBucket = &tbucket * Atable;
         let EncQBucket = (tbucket * req.EncBucket.0, tbucket * req.EncBucket.1);
-        let tinvremain = self.lox_priv.x[5] * b;
-        let TInvRemain = &tinvremain * Atable;
-        let EncQInvRemain = (tinvremain * EncInvRemain.0, tinvremain * EncInvRemain.1);
         let tblockages = self.lox_priv.x[6] * b;
         let TBlockages = &tblockages * Atable;
         let EncQBlockages = (
@@ -523,8 +505,8 @@ impl BridgeAuth {
         );
 
         let EncQ = (
-            EncQHc.0 + EncQId.0 + EncQBucket.0 + EncQInvRemain.0 + EncQBlockages.0,
-            EncQHc.1 + EncQId.1 + EncQBucket.1 + EncQInvRemain.1 + EncQBlockages.1,
+            EncQHc.0 + EncQId.0 + EncQBucket.0 + EncQBlockages.0,
+            EncQHc.1 + EncQId.1 + EncQBucket.1 + EncQBlockages.1,
         );
 
         let mut transcript = Transcript::new(b"blockage migration issuing");
@@ -545,17 +527,15 @@ impl BridgeAuth {
                 Xblockages: &self.lox_pub.X[6],
                 Plevel: &(trust_level * P),
                 Psince: &(level_since * P),
+                Pinvremain: &(invremain * P),
                 TId: &TId,
                 TBucket: &TBucket,
-                TInvRemain: &TInvRemain,
                 TBlockages: &TBlockages,
                 D: &req.D,
                 EncId0: &EncId.0,
                 EncId1: &EncId.1,
                 EncBucket0: &req.EncBucket.0,
                 EncBucket1: &req.EncBucket.1,
-                EncInvRemain0: &EncInvRemain.0,
-                EncInvRemain1: &EncInvRemain.1,
                 EncBlockages0: &req.EncBlockages.0,
                 EncBlockages1: &req.EncBlockages.1,
                 x0: &self.lox_priv.x[0],
@@ -570,7 +550,6 @@ impl BridgeAuth {
                 b: &b,
                 tid: &tid,
                 tbucket: &tbucket,
-                tinvremain: &tinvremain,
                 tblockages: &tblockages,
             },
         )
@@ -580,11 +559,9 @@ impl BridgeAuth {
             level_since,
             P,
             EncQ,
-            EncInvRemain,
             id_server,
             TId,
             TBucket,
-            TInvRemain,
             TBlockages,
             piBlindIssue,
         })
@@ -601,7 +578,6 @@ pub fn handle_response(
     let A: &RistrettoPoint = &CMZ_A;
     let B: &RistrettoPoint = &CMZ_B;
     let Btable: &RistrettoBasepointTable = &CMZ_B_TABLE;
-
     if resp.P.is_identity() {
         return Err(ProofError::VerificationFailure);
     }
@@ -627,13 +603,6 @@ pub fn handle_response(
     // moving from level i to level i+1)
     let invremain: Scalar = LEVEL_INVITATIONS[(new_level - 1) as usize].into();
 
-    // Decrypt EncInvRemain
-    let recv_invremain = resp.EncInvRemain.1 - (state.d * resp.EncInvRemain.0);
-
-    if recv_invremain != &invremain * Btable {
-        return Err(ProofError::VerificationFailure);
-    }
-
     // Verify the proof
     let mut transcript = Transcript::new(b"blockage migration issuing");
     blindissue::verify_compact(
@@ -654,17 +623,15 @@ pub fn handle_response(
             Xblockages: &lox_pub.X[6].compress(),
             Plevel: &(state.trust_level * resp.P).compress(),
             Psince: &(resp.level_since * resp.P).compress(),
+            Pinvremain: &(invremain * resp.P).compress(),
             TId: &resp.TId.compress(),
             TBucket: &resp.TBucket.compress(),
-            TInvRemain: &resp.TInvRemain.compress(),
             TBlockages: &resp.TBlockages.compress(),
             D: &state.D.compress(),
             EncId0: &EncId.0.compress(),
             EncId1: &EncId.1.compress(),
             EncBucket0: &state.EncBucket.0.compress(),
             EncBucket1: &state.EncBucket.1.compress(),
-            EncInvRemain0: &resp.EncInvRemain.0.compress(),
-            EncInvRemain1: &resp.EncInvRemain.1.compress(),
             EncBlockages0: &state.EncBlockages.0.compress(),
             EncBlockages1: &state.EncBlockages.1.compress(),
         },
diff --git a/crates/lox-library/src/proto/issue_invite.rs b/crates/lox-library/src/proto/issue_invite.rs
index 0dfde3b..a512270 100644
--- a/crates/lox-library/src/proto/issue_invite.rs
+++ b/crates/lox-library/src/proto/issue_invite.rs
@@ -269,7 +269,7 @@ pub fn request(
 
     // Ensure the credential can be correctly shown: it must be the case
     // that invites_remaining not be 0
-    if lox_cred.invites_remaining == Scalar::zero() {
+    if lox_cred.invites_remaining == Scalar::ZERO {
         return Err(ProofError::VerificationFailure);
     }
     // The buckets in the Lox and Bucket Reachability credentials have
@@ -286,7 +286,7 @@ pub fn request(
         return Err(ProofError::VerificationFailure);
     }
     // The new invites_remaining
-    let new_invites_remaining = lox_cred.invites_remaining - Scalar::one();
+    let new_invites_remaining = lox_cred.invites_remaining - Scalar::ONE;
 
     // Blind showing the Lox credential
 
diff --git a/crates/lox-library/src/proto/migration.rs b/crates/lox-library/src/proto/migration.rs
index 36ab7d0..ce7bc5f 100644
--- a/crates/lox-library/src/proto/migration.rs
+++ b/crates/lox-library/src/proto/migration.rs
@@ -168,7 +168,7 @@ pub fn request(
 
     // This protocol only allows migrating from trust level 0 to trust
     // level 1
-    if lox_cred.trust_level != Scalar::zero() {
+    if lox_cred.trust_level != Scalar::ZERO {
         return Err(ProofError::VerificationFailure);
     }
 
@@ -323,7 +323,7 @@ impl BridgeAuth {
         }
 
         // We only currently support migrating from trust level 0
-        if req.trust_level != Scalar::zero() {
+        if req.trust_level != Scalar::ZERO {
             return Err(ProofError::VerificationFailure);
         }
 
@@ -387,7 +387,7 @@ impl BridgeAuth {
 
         // Create the trust_level attrubute (Scalar), which will be
         // level 1
-        let trust_level: Scalar = Scalar::one();
+        let trust_level: Scalar = Scalar::ONE;
 
         // Create the level_since attribute (Scalar), which is today's
         // Julian date
@@ -513,7 +513,7 @@ pub fn handle_response(
             Xlevel: &lox_pub.X[3].compress(),
             Xsince: &lox_pub.X[4].compress(),
             // The new trust level is 1
-            Plevel: &(Scalar::one() * resp.P).compress(),
+            Plevel: &(Scalar::ONE * resp.P).compress(),
             Psince: &(resp.level_since * resp.P).compress(),
             TId: &resp.TId.compress(),
             TBucket: &resp.TBucket.compress(),
@@ -533,9 +533,9 @@ pub fn handle_response(
         Q,
         id,
         bucket: state.to_bucket,
-        trust_level: Scalar::one(),
+        trust_level: Scalar::ONE,
         level_since: resp.level_since,
-        invites_remaining: Scalar::zero(),
-        blockages: Scalar::zero(),
+        invites_remaining: Scalar::ZERO,
+        blockages: Scalar::ZERO,
     })
 }
diff --git a/crates/lox-library/src/proto/open_invite.rs b/crates/lox-library/src/proto/open_invite.rs
index 69960dd..b95fc4a 100644
--- a/crates/lox-library/src/proto/open_invite.rs
+++ b/crates/lox-library/src/proto/open_invite.rs
@@ -324,10 +324,10 @@ pub fn handle_response(
             Q,
             id,
             bucket: resp.bucket,
-            trust_level: Scalar::zero(),
+            trust_level: Scalar::ZERO,
             level_since: resp.level_since,
-            invites_remaining: Scalar::zero(),
-            blockages: Scalar::zero(),
+            invites_remaining: Scalar::ZERO,
+            blockages: Scalar::ZERO,
         },
         resp.bridge_line,
     ))
diff --git a/crates/lox-library/src/proto/redeem_invite.rs b/crates/lox-library/src/proto/redeem_invite.rs
index d90fb1d..9f288d6 100644
--- a/crates/lox-library/src/proto/redeem_invite.rs
+++ b/crates/lox-library/src/proto/redeem_invite.rs
@@ -458,7 +458,7 @@ impl BridgeAuth {
         let EncId = (req.EncIdClient.0, req.EncIdClient.1 + &id_server * Btable);
 
         // The trust level for invitees is always 1
-        let level = Scalar::one();
+        let level = Scalar::ONE;
 
         // The invites remaining for invitees is always 0 (as
         // appropriate for trust level 1), so we don't need to actually
@@ -611,9 +611,9 @@ pub fn handle_response(
         Q,
         id,
         bucket: state.bucket,
-        trust_level: Scalar::one(),
+        trust_level: Scalar::ONE,
         level_since: resp.level_since,
-        invites_remaining: Scalar::zero(),
+        invites_remaining: Scalar::ZERO,
         blockages: state.blockages,
     })
 }
diff --git a/crates/lox-library/src/tests.rs b/crates/lox-library/src/tests.rs
index 428fcf1..3c47e84 100644
--- a/crates/lox-library/src/tests.rs
+++ b/crates/lox-library/src/tests.rs
@@ -64,7 +64,7 @@ impl TestHarness {
 
     fn open_invite(&mut self) -> (PerfStat, (cred::Lox, bridge_table::BridgeLine)) {
         // Issue an open invitation
-        let inv = self.bdb.invite();
+        let inv = self.bdb.invite().unwrap();
 
         let req_start = Instant::now();
         // Use it to get a Lox credential
@@ -394,17 +394,21 @@ fn test_open_invite() {
     assert!(bridgeline == bucket.0[0]);
 }
 
-
 #[test]
 fn test_k_invites() {
     let mut th = TestHarness::new();
     for i in 0..25 {
         let _ = th.open_invite();
-        if (i+1) % OPENINV_K != 0 {
-        assert!(th.bdb.current_k == (i+1)%OPENINV_K, "the current_k should be (i+1)%OPENINV_K");
+        if (i + 1) % OPENINV_K != 0 {
+            assert!(
+                th.bdb.current_k == (i + 1) % OPENINV_K,
+                "the current_k should be (i+1)%OPENINV_K"
+            );
         } else {
-        assert!(th.bdb.current_k == OPENINV_K, "the current_k should be OPENINV_K");
-
+            assert!(
+                th.bdb.current_k == OPENINV_K,
+                "the current_k should be OPENINV_K"
+            );
         }
     }
 }
@@ -871,7 +875,7 @@ fn block_bridges(th: &mut TestHarness, to_block: usize) {
     let mut rng = rand::thread_rng();
 
     while block_index.len() < to_block {
-        let rand_num = rng.gen_range(1, blockable_range);
+        let rand_num = rng.gen_range(1..blockable_range);
         if !th.bdb.openinv_buckets.contains(&(rand_num as u32))
             && !th.bdb.distributed_buckets.contains(&(rand_num as u32))
             && !block_index.contains(&rand_num)
@@ -1041,7 +1045,7 @@ fn test_bridge_replace() {
         let table_size = th.ba.bridge_table.buckets.len();
         let mut num = 100000;
         while !th.ba.bridge_table.buckets.contains_key(&num) {
-            num = rand::thread_rng().gen_range(0, th.ba.bridge_table.counter);
+            num = rand::thread_rng().gen_range(0..th.ba.bridge_table.counter);
         }
         let replaceable_bucket = *th.ba.bridge_table.buckets.get(&num).unwrap();
         let replacement_bridge = &replaceable_bucket[0];
diff --git a/crates/lox-library/tests/tests.rs b/crates/lox-library/tests/tests.rs
index a270194..9bc376f 100644
--- a/crates/lox-library/tests/tests.rs
+++ b/crates/lox-library/tests/tests.rs
@@ -10,7 +10,7 @@ fn test_bridgedb() {
     for i in &[1u32, 5, 7, 12, 19, 20, 22] {
         bdb.insert_openinv(*i);
     }
-    let inv = bdb.invite();
+    let inv = bdb.invite().unwrap();
     println!("{:?}", inv);
     let res = BridgeDb::verify(inv, bdb.pubkey);
     println!("{:?}", res);
diff --git a/crates/lox-utils/Cargo.toml b/crates/lox-utils/Cargo.toml
index 0ba29b8..c91fe99 100644
--- a/crates/lox-utils/Cargo.toml
+++ b/crates/lox-utils/Cargo.toml
@@ -14,8 +14,8 @@ repository = "https://gitlab.torproject.org/tpo/anti-censorship/lox.git/"
 [dependencies]
 lox-library = {path = "../lox-library", version = "0.1.0"}
 serde = "1"
-serde_json = "1.0.105"
-serde_with = "3.3.0"
+serde_json = "1.0.108"
+serde_with = "3.4.0"
 
 
 [features]
diff --git a/crates/lox-wasm/Cargo.toml b/crates/lox-wasm/Cargo.toml
index 01c14c7..3a5ccfd 100644
--- a/crates/lox-wasm/Cargo.toml
+++ b/crates/lox-wasm/Cargo.toml
@@ -10,19 +10,20 @@ license = "MIT"
 crate-type = ["cdylib"]
 
 [dependencies]
+getrandom = { version = "0.2", features = ["js"] }
 julianday = "1.2.0"
 lazy_static = "1.4.0"
 lox-library = { path = "../lox-library", version = "0.1.0" }
 lox_utils = { path = "../lox-utils", version = "0.1.0" }
 wasm-bindgen = "0.2"
-time = "0.3.28"
-serde_json = "1.0.105"
+time = "0.3.30"
+serde_json = "1.0.108"
 
 console_error_panic_hook = "0.1.7"
-js-sys = "0.3.64"
+js-sys = "0.3.65"
 rand = { version = "0.7", features = ["wasm-bindgen"] }
-zkp = "0.8.0"
+zkp = { git = "https://gitlab.torproject.org/onyinyang/lox-zkp" }
 
 [dependencies.chrono]
-version = "0.4.27"
+version = "0.4.31"
 features = ["serde", "wasmbind"]
diff --git a/crates/rdsys-backend-api/Cargo.toml b/crates/rdsys-backend-api/Cargo.toml
index 853ff15..e55a241 100644
--- a/crates/rdsys-backend-api/Cargo.toml
+++ b/crates/rdsys-backend-api/Cargo.toml
@@ -13,10 +13,10 @@ serde = { version = "1", features = ["derive"]}
 bytes = "1"
 hex = "0.4.3"
 crc64 = "2.0.0"
-sha1 = "0.10.5"
-tokio = { version = "1", features = ["macros"]}
-reqwest = { version = "0.11", features = ["stream"]}
+sha1 = "0.10.6"
+tokio = { version = "1", features = ["full", "macros"] }
+reqwest = { version = "0.11", features = ["json", "stream"]}
 tokio-stream = "0.1.14"
-futures = "0.3.28"
-tokio-util = "0.7.8"
-chrono = { version = "0.4.27", features = ["serde", "clock"] }
+futures = "0.3.29"
+tokio-util = "0.7.10"
+chrono = { version = "0.4.31", features = ["serde", "clock"] }
diff --git a/crates/rdsys-backend-api/src/lib.rs b/crates/rdsys-backend-api/src/lib.rs
index 84b420a..51e2bdc 100644
--- a/crates/rdsys-backend-api/src/lib.rs
+++ b/crates/rdsys-backend-api/src/lib.rs
@@ -6,7 +6,7 @@
 use bytes::{self, Buf, Bytes};
 use core::pin::Pin;
 use futures_util::{Stream, StreamExt};
-use reqwest::Client;
+use reqwest::{Client, StatusCode};
 use std::io::{self, BufRead};
 use std::task::{ready, Context, Poll};
 use tokio::sync::mpsc;
@@ -19,6 +19,7 @@ pub enum Error {
     Reqwest(reqwest::Error),
     Io(io::Error),
     JSON(serde_json::Error),
+    String(StatusCode),
 }
 
 impl From<serde_json::Error> for Error {
@@ -220,7 +221,7 @@ mod tests {
 ///     }
 /// }
 /// ```
-///
+
 pub async fn start_stream(
     api_endpoint: String,
     name: String,
@@ -260,3 +261,39 @@ pub async fn start_stream(
     });
     Ok(ResourceStream::new(rx))
 }
+
+pub async fn request_resources(
+    api_endpoint: String,
+    name: String,
+    token: String,
+    resource_types: Vec<String>,
+) -> Result<proto::ResourceState, Error> {
+    let fetched_resources: Result<proto::ResourceState, Error>;
+    let req = proto::ResourceRequest {
+        request_origin: name,
+        resource_types,
+    };
+    let json = serde_json::to_string(&req)?;
+
+    let auth_value = format!("Bearer {}", token);
+
+    let client = Client::new();
+
+    let response = client
+        .get(api_endpoint)
+        .header("Authorization", &auth_value)
+        .body(json)
+        .send()
+        .await
+        .unwrap();
+    match response.status() {
+        reqwest::StatusCode::OK => {
+            fetched_resources = match response.json::<proto::ResourceState>().await {
+                Ok(fetched_resources) => Ok(fetched_resources),
+                Err(e) => Err(Error::Reqwest(e)),
+            };
+        }
+        other => fetched_resources = Err(Error::String(other)),
+    };
+    fetched_resources
+}
diff --git a/crates/rdsys-backend-api/src/proto.rs b/crates/rdsys-backend-api/src/proto.rs
index af0a026..7ce41e9 100644
--- a/crates/rdsys-backend-api/src/proto.rs
+++ b/crates/rdsys-backend-api/src/proto.rs
@@ -10,12 +10,17 @@ pub struct ResourceRequest {
     pub resource_types: Vec<String>,
 }
 
+#[derive(Serialize, Deserialize, Debug, PartialEq, Eq)]
+pub struct TestResults {
+    pub last_passed: DateTime<Utc>,
+}
+
 /// Representation of a bridge resource
 #[derive(Deserialize, PartialEq, Eq, Debug)]
 pub struct Resource {
     pub r#type: String,
     pub blocked_in: HashMap<String, bool>,
-    pub last_passed: DateTime<Utc>,
+    pub test_result: TestResults,
     pub protocol: String,
     pub address: String,
     pub port: u16,
@@ -51,6 +56,13 @@ impl Resource {
     }
 }
 
+/// A ResourceState holds information about new, changed, or pruned resources
+#[derive(Deserialize, PartialEq, Eq, Debug)]
+pub struct ResourceState {
+    pub working: Option<Vec<Resource>>,
+    pub not_working: Option<Vec<Resource>>,
+}
+
 /// A ResourceDiff holds information about new, changed, or pruned resources
 #[derive(Deserialize, PartialEq, Eq, Debug)]
 pub struct ResourceDiff {
@@ -92,7 +104,9 @@ mod tests {
         let bridge = Resource {
             r#type: String::from("scramblesuit"),
             blocked_in: HashMap::new(),
-            last_passed: "2023-05-30T14:20:28Z".parse::<DateTime<Utc>>().unwrap(),
+            test_result: TestResults {
+                last_passed: "2023-05-30T14:20:28Z".parse::<DateTime<Utc>>().unwrap(),
+            },
             protocol: String::from("tcp"),
             address: String::from("216.117.3.62"),
             port: 63174,
@@ -107,7 +121,9 @@ mod tests {
             {
                 "type": "scramblesuit",
                 "blocked_in": {},
-                "last_passed": "2023-05-30T14:20:28.000+00:00",
+                "test_result" : {
+                "last_passed": "2023-05-30T14:20:28.000+00:00"
+                },
                 "protocol": "tcp",
                 "address": "216.117.3.62",
                 "port": 63174,
@@ -135,7 +151,9 @@ mod tests {
                         {
                             "type": "obfs2",
                             "blocked_in": {},
-                            "last_passed": "2023-05-30T11:42:28.000+07:00",
+                            "test_result" : {
+                            "last_passed": "2023-05-30T11:42:28.000+07:00"
+                            },
                             "Location": null,
                             "protocol": "tcp",
                             "address": "176.247.216.207",
@@ -153,7 +171,9 @@ mod tests {
                         {
                             "type": "obfs2",
                             "blocked_in": {},
-                            "last_passed": "2023-05-30T12:20:28.000+07:00",
+                            "test_result" : {
+                            "last_passed": "2023-05-30T12:20:28.000+07:00"
+                            },
                             "protocol": "tcp",
                             "address": "133.69.16.145",
                             "port": 58314,
@@ -172,7 +192,9 @@ mod tests {
                         {
                             "type": "scramblesuit",
                             "blocked_in": {},
-                            "last_passed": "2023-05-30T14:20:28.000+07:00",
+                            "test_result" : {
+                            "last_passed": "2023-05-30T14:20:28.000+07:00"
+                            },
                             "protocol": "tcp",
                             "address": "216.117.3.62",
                             "port": 63174,