diff --git a/rust/Cargo.lock b/rust/Cargo.lock
index bb6e716b7..9e8fedb9a 100644
--- a/rust/Cargo.lock
+++ b/rust/Cargo.lock
@@ -43,7 +43,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "be14c7498ea50828a38d0e24a765ed2effe92a705885b57d029cd67d45744072"
 dependencies = [
  "cipher",
- "opaque-debug",
+ "opaque-debug 0.3.0",
 ]
 
 [[package]]
@@ -53,7 +53,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ea2e11f5e94c2f7d386164cc2aa1f97823fed6f259e486940a71c174dd01b0ce"
 dependencies = [
  "cipher",
- "opaque-debug",
+ "opaque-debug 0.3.0",
 ]
 
 [[package]]
@@ -86,6 +86,12 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
 
+[[package]]
+name = "arrayvec"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a2f58b0bb10c380af2b26e57212856b8c9a59e0925b4c20f4a174a49734eaf7"
+
 [[package]]
 name = "async-stream"
 version = "0.3.0"
@@ -150,6 +156,28 @@ dependencies = [
  "rustc-demangle",
 ]
 
+[[package]]
+name = "base58"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5024ee8015f02155eee35c711107ddd9a9bf3cb689cf2a9089c97e79b6e1ae83"
+
+[[package]]
+name = "base58check"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2ee2fe4c9a0c84515f136aaae2466744a721af6d63339c18689d9e995d74d99b"
+dependencies = [
+ "base58",
+ "sha2 0.8.2",
+]
+
+[[package]]
+name = "base64"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3441f0f7b02788e948e47f457ca01f1d7e6d92c693bc132c22b087d3141c03ff"
+
 [[package]]
 name = "base64"
 version = "0.13.0"
@@ -162,6 +190,12 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d0d27fb6b6f1e43147af148af49d49329413ba781aa0d5e10979831c210173b5"
 
+[[package]]
+name = "bech32"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2dabbe35f96fb9507f7330793dc490461b2962659ac5d427181e451a623751d1"
+
 [[package]]
 name = "bindgen"
 version = "0.57.0"
@@ -187,6 +221,16 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
+[[package]]
+name = "bitvec"
+version = "0.17.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41262f11d771fd4a61aa3ce019fca363b4b6c282fca9da2a31186d3965a47a5c"
+dependencies = [
+ "either",
+ "radium 0.3.0",
+]
+
 [[package]]
 name = "bitvec"
 version = "0.18.5"
@@ -210,14 +254,46 @@ dependencies = [
  "wyz",
 ]
 
+[[package]]
+name = "blake2"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "10a5720225ef5daecf08657f23791354e1685a8c91a4c60c7f3d3b2892f978f4"
+dependencies = [
+ "crypto-mac 0.8.0",
+ "digest 0.9.0",
+ "opaque-debug 0.3.0",
+]
+
+[[package]]
+name = "block-buffer"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c0940dc441f31689269e10ac70eb1002a3a1d3ad1390e030043662eb7fe4688b"
+dependencies = [
+ "block-padding 0.1.5",
+ "byte-tools",
+ "byteorder",
+ "generic-array 0.12.4",
+]
+
 [[package]]
 name = "block-buffer"
 version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
 dependencies = [
- "block-padding",
- "generic-array",
+ "block-padding 0.2.1",
+ "generic-array 0.14.4",
+]
+
+[[package]]
+name = "block-padding"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa79dedbb091f449f1f39e53edf88d5dbe95f895dae6135a8d7b881fb5af73f5"
+dependencies = [
+ "byte-tools",
 ]
 
 [[package]]
@@ -226,6 +302,12 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8d696c370c750c948ada61c69a0ee2cbbb9c50b1019ddb86d9317157a99c2cae"
 
+[[package]]
+name = "bs58"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "476e9cd489f9e121e02ffa6014a8ef220ecb15c05ed23fc34cca13925dc283fb"
+
 [[package]]
 name = "bumpalo"
 version = "3.6.1"
@@ -238,11 +320,17 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "65c1bf4a04a88c54f589125563643d773f3254b5c38571395e2b591c693bbc81"
 
+[[package]]
+name = "byte-tools"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3b5ca7a04898ad4bcd41c90c5285445ff5b791899bb1b0abdd2a2aa791211d7"
+
 [[package]]
 name = "byteorder"
-version = "1.3.4"
+version = "1.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
+checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
 [[package]]
 name = "bytes"
@@ -295,20 +383,73 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "12f8e7987cbd042a63249497f41aed09f8e65add917ea6566effbc56578d6801"
 dependencies = [
- "generic-array",
+ "generic-array 0.14.4",
 ]
 
 [[package]]
 name = "clang-sys"
-version = "1.1.1"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f54d78e30b388d4815220c8dd03fea5656b6c6d32adb59e89061552a102f8da1"
+checksum = "853eda514c284c2287f4bf20ae614f8781f40a81d32ecda6e91449304dfe077c"
 dependencies = [
  "glob",
  "libc",
  "libloading",
 ]
 
+[[package]]
+name = "coins-bip32"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7293fc13f56d24998ad405f2402145b27c28940e2bf0f739a1bd08f4c90af861"
+dependencies = [
+ "bs58",
+ "coins-core",
+ "hmac 0.7.1",
+ "k256",
+ "lazy_static",
+ "serde 1.0.125",
+ "sha2 0.8.2",
+ "thiserror",
+]
+
+[[package]]
+name = "coins-bip39"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0db08d2935d0f5471ca3031101bcd72a8d31f4c238971266b0bf0b234bcf08e6"
+dependencies = [
+ "bitvec 0.17.4",
+ "coins-bip32",
+ "hex",
+ "hmac 0.10.1",
+ "pbkdf2",
+ "rand 0.7.3",
+ "sha2 0.9.3",
+ "thiserror",
+]
+
+[[package]]
+name = "coins-core"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d257d975731955ee86fa7f348000c3fea09c262e84c70c11e994a85aa4f467a7"
+dependencies = [
+ "base58check",
+ "base64 0.12.3",
+ "bech32",
+ "blake2",
+ "digest 0.9.0",
+ "generic-array 0.14.4",
+ "hex",
+ "ripemd160",
+ "serde 1.0.125",
+ "serde_derive",
+ "sha2 0.9.3",
+ "sha3",
+ "thiserror",
+]
+
 [[package]]
 name = "color-eyre"
 version = "0.5.10"
@@ -368,6 +509,12 @@ dependencies = [
  "yaml-rust",
 ]
 
+[[package]]
+name = "const-oid"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9f6b64db6932c7e49332728e3a6bd82c6b7e16016607d20923b537c3bc4c0d5f"
+
 [[package]]
 name = "core-foundation"
 version = "0.9.1"
@@ -396,14 +543,34 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"
 
+[[package]]
+name = "crypto-mac"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4434400df11d95d556bac068ddfedd482915eb18fe8bea89bc80b6e4b1c179e5"
+dependencies = [
+ "generic-array 0.12.4",
+ "subtle 1.0.0",
+]
+
+[[package]]
+name = "crypto-mac"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b584a330336237c1eecd3e94266efb216c56ed91225d634cb2991c5f3fd1aeab"
+dependencies = [
+ "generic-array 0.14.4",
+ "subtle 2.4.0",
+]
+
 [[package]]
 name = "crypto-mac"
 version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4857fd85a0c34b3c3297875b747c1e02e06b6a0ea32dd892d8192b9ce0813ea6"
 dependencies = [
- "generic-array",
- "subtle",
+ "generic-array 0.14.4",
+ "subtle 2.4.0",
 ]
 
 [[package]]
@@ -445,19 +612,37 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "der"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51f59c66c30bb7445c8320a5f9233e437e3572368099f25532a59054328899b4"
+dependencies = [
+ "const-oid",
+]
+
 [[package]]
 name = "difference"
 version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "524cbf6897b527295dff137cec09ecf3a05f4fddffd7dfcd1585403449e74198"
 
+[[package]]
+name = "digest"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f3d0c8c8752312f9713efd397ff63acb9f85585afbf179282e720e7704954dd5"
+dependencies = [
+ "generic-array 0.12.4",
+]
+
 [[package]]
 name = "digest"
 version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
 dependencies = [
- "generic-array",
+ "generic-array 0.14.4",
 ]
 
 [[package]]
@@ -473,10 +658,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "41fbdb4ff710acb4db8ca29f93b897529ea6d6a45626d5183b47e012aa6ae7e4"
 dependencies = [
  "elliptic-curve 0.8.5",
- "hmac",
+ "hmac 0.10.1",
  "signature",
 ]
 
+[[package]]
+name = "either"
+version = "1.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
+
 [[package]]
 name = "elliptic-curve"
 version = "0.8.5"
@@ -484,13 +675,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f2db227e61a43a34915680bdda462ec0e212095518020a88a1f91acd16092c39"
 dependencies = [
  "bitvec 0.18.5",
- "digest",
+ "digest 0.9.0",
  "ff",
  "funty",
- "generic-array",
+ "generic-array 0.14.4",
  "group",
+ "pkcs8",
  "rand_core 0.5.1",
- "subtle",
+ "subtle 2.4.0",
  "zeroize",
 ]
 
@@ -501,9 +693,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "78fff5a5d53c2e45c2772aa2666904eaf5af581b9fc356b9da42b52bda088e6d"
 dependencies = [
  "funty",
- "generic-array",
+ "generic-array 0.14.4",
  "rand_core 0.6.2",
- "subtle",
+ "subtle 2.4.0",
 ]
 
 [[package]]
@@ -523,25 +715,25 @@ checksum = "1f1d4168fd77e9d9564bbdcb937efdad0df721dd159d2cb3f39d51efdbdf06f2"
 dependencies = [
  "aes",
  "ctr",
- "digest",
+ "digest 0.9.0",
  "hex",
- "hmac",
+ "hmac 0.10.1",
  "pbkdf2",
  "rand 0.7.3",
  "scrypt",
  "serde 1.0.125",
  "serde_json",
- "sha2",
+ "sha2 0.9.3",
  "sha3",
  "thiserror",
  "uuid",
 ]
 
 [[package]]
-name = "ethabi-next"
-version = "13.3.0"
+name = "ethabi"
+version = "14.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "317f1828c48834fbe40ed37b9267742d37392f6c1f7bedb9dec7f0c62d17601c"
+checksum = "c52991643379afc90bfe2df3c64d53983e59c35a82ba6e75c997cfc2880d8524"
 dependencies = [
  "anyhow",
  "ethereum-types",
@@ -583,7 +775,7 @@ dependencies = [
 [[package]]
 name = "ethers"
 version = "0.2.2"
-source = "git+https://github.com/gakonst/ethers-rs#971a8dd7a8832c3515fda3644abbabe24008ec6b"
+source = "git+https://github.com/gakonst/ethers-rs#66a503d294b21bb5cbdde5f74229157764a337e3"
 dependencies = [
  "ethers-contract",
  "ethers-core",
@@ -595,7 +787,7 @@ dependencies = [
 [[package]]
 name = "ethers-contract"
 version = "0.2.2"
-source = "git+https://github.com/gakonst/ethers-rs#971a8dd7a8832c3515fda3644abbabe24008ec6b"
+source = "git+https://github.com/gakonst/ethers-rs#66a503d294b21bb5cbdde5f74229157764a337e3"
 dependencies = [
  "ethers-contract-abigen",
  "ethers-contract-derive",
@@ -613,7 +805,7 @@ dependencies = [
 [[package]]
 name = "ethers-contract-abigen"
 version = "0.2.2"
-source = "git+https://github.com/gakonst/ethers-rs#971a8dd7a8832c3515fda3644abbabe24008ec6b"
+source = "git+https://github.com/gakonst/ethers-rs#66a503d294b21bb5cbdde5f74229157764a337e3"
 dependencies = [
  "Inflector",
  "anyhow",
@@ -630,7 +822,7 @@ dependencies = [
 [[package]]
 name = "ethers-contract-derive"
 version = "0.2.2"
-source = "git+https://github.com/gakonst/ethers-rs#971a8dd7a8832c3515fda3644abbabe24008ec6b"
+source = "git+https://github.com/gakonst/ethers-rs#66a503d294b21bb5cbdde5f74229157764a337e3"
 dependencies = [
  "ethers-contract-abigen",
  "ethers-core",
@@ -644,17 +836,16 @@ dependencies = [
 [[package]]
 name = "ethers-core"
 version = "0.2.2"
-source = "git+https://github.com/gakonst/ethers-rs#971a8dd7a8832c3515fda3644abbabe24008ec6b"
+source = "git+https://github.com/gakonst/ethers-rs#66a503d294b21bb5cbdde5f74229157764a337e3"
 dependencies = [
- "arrayvec",
+ "arrayvec 0.5.2",
  "bytes",
  "ecdsa",
  "elliptic-curve 0.9.6",
- "ethabi-next",
- "ethereum-types",
+ "ethabi",
  "funty",
  "futures-util",
- "generic-array",
+ "generic-array 0.14.4",
  "glob",
  "hex",
  "k256",
@@ -670,7 +861,7 @@ dependencies = [
 [[package]]
 name = "ethers-middleware"
 version = "0.2.2"
-source = "git+https://github.com/gakonst/ethers-rs#971a8dd7a8832c3515fda3644abbabe24008ec6b"
+source = "git+https://github.com/gakonst/ethers-rs#66a503d294b21bb5cbdde5f74229157764a337e3"
 dependencies = [
  "async-trait",
  "ethers-contract",
@@ -692,10 +883,11 @@ dependencies = [
 [[package]]
 name = "ethers-providers"
 version = "0.2.2"
-source = "git+https://github.com/gakonst/ethers-rs#971a8dd7a8832c3515fda3644abbabe24008ec6b"
+source = "git+https://github.com/gakonst/ethers-rs#66a503d294b21bb5cbdde5f74229157764a337e3"
 dependencies = [
  "async-trait",
  "auto_impl",
+ "bytes",
  "ethers-core",
  "futures-channel",
  "futures-core",
@@ -709,6 +901,7 @@ dependencies = [
  "thiserror",
  "tokio",
  "tokio-tungstenite",
+ "tokio-util",
  "tracing",
  "tracing-futures",
  "url",
@@ -717,9 +910,11 @@ dependencies = [
 [[package]]
 name = "ethers-signers"
 version = "0.2.2"
-source = "git+https://github.com/gakonst/ethers-rs#971a8dd7a8832c3515fda3644abbabe24008ec6b"
+source = "git+https://github.com/gakonst/ethers-rs#66a503d294b21bb5cbdde5f74229157764a337e3"
 dependencies = [
  "async-trait",
+ "coins-bip32",
+ "coins-bip39",
  "elliptic-curve 0.9.6",
  "eth-keystore",
  "ethers-core",
@@ -727,7 +922,7 @@ dependencies = [
  "futures-util",
  "hex",
  "rand 0.7.3",
- "sha2",
+ "sha2 0.9.3",
  "thiserror",
 ]
 
@@ -741,6 +936,12 @@ dependencies = [
  "once_cell",
 ]
 
+[[package]]
+name = "fake-simd"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
+
 [[package]]
 name = "ff"
 version = "0.8.0"
@@ -749,7 +950,7 @@ checksum = "01646e077d4ebda82b73f1bca002ea1e91561a77df2431a9e79729bcc31950ef"
 dependencies = [
  "bitvec 0.18.5",
  "rand_core 0.5.1",
- "subtle",
+ "subtle 2.4.0",
 ]
 
 [[package]]
@@ -889,6 +1090,15 @@ dependencies = [
  "slab",
 ]
 
+[[package]]
+name = "generic-array"
+version = "0.12.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ffdf9f34f1447443d37393cc6c2b8313aebddcd96906caf34e54c68d8e57d7bd"
+dependencies = [
+ "typenum",
+]
+
 [[package]]
 name = "generic-array"
 version = "0.14.4"
@@ -941,7 +1151,7 @@ checksum = "cc11f9f5fbf1943b48ae7c2bf6846e7d827a512d1be4f23af708f5ca5d01dde1"
 dependencies = [
  "ff",
  "rand_core 0.5.1",
- "subtle",
+ "subtle 2.4.0",
 ]
 
 [[package]]
@@ -975,21 +1185,31 @@ version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 
+[[package]]
+name = "hmac"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5dcb5e64cda4c23119ab41ba960d1e170a774c8e4b9d9e6a9bc18aabf5e59695"
+dependencies = [
+ "crypto-mac 0.7.0",
+ "digest 0.8.1",
+]
+
 [[package]]
 name = "hmac"
 version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c1441c6b1e930e2817404b5046f1f989899143a12bf92de603b69f4e0aee1e15"
 dependencies = [
- "crypto-mac",
- "digest",
+ "crypto-mac 0.10.0",
+ "digest 0.9.0",
 ]
 
 [[package]]
 name = "http"
-version = "0.2.3"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7245cd7449cc792608c3c8a9eaf69bd4eabbabf802713748fd739c98b82f0747"
+checksum = "527e8c9ac747e28542699a951517aa9a6945af506cd1f2e1b53a576c17b6cc11"
 dependencies = [
  "bytes",
  "fnv",
@@ -1009,9 +1229,9 @@ dependencies = [
 
 [[package]]
 name = "httparse"
-version = "1.3.5"
+version = "1.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "615caabe2c3160b313d52ccc905335f4ed5f10881dd63dc5699d47e90be85691"
+checksum = "bc35c995b9d93ec174cf9a27d425c7892722101e14993cd227fdb51d70cf9589"
 
 [[package]]
 name = "httpdate"
@@ -1209,7 +1429,7 @@ version = "0.7.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "21f866863575d0e1d654fbeeabdc927292fdf862873dc3c96c6f753357e13374"
 dependencies = [
- "arrayvec",
+ "arrayvec 0.5.2",
  "bitflags",
  "cfg-if",
  "ryu",
@@ -1218,9 +1438,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.91"
+version = "0.2.93"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8916b1f6ca17130ec6568feccee27c156ad12037880833a3b842a823236502e7"
+checksum = "9385f66bf6105b241aa65a61cb923ef20efc665cb9f9bb50ac2f0c4b7f378d41"
 
 [[package]]
 name = "libloading"
@@ -1235,7 +1455,7 @@ dependencies = [
 [[package]]
 name = "librocksdb-sys"
 version = "6.17.3"
-source = "git+https://github.com/rust-rocksdb/rust-rocksdb#bc59596da15867510133d60822e615ef6e3a1ca4"
+source = "git+https://github.com/rust-rocksdb/rust-rocksdb#0b700fe70da8ee30483fde79f44df549f8fe11ec"
 dependencies = [
  "bindgen",
  "cc",
@@ -1450,6 +1670,12 @@ version = "1.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "af8b08b04175473088b46763e51ee54da5f9a164bc162f615b91bc179dbf15a3"
 
+[[package]]
+name = "opaque-debug"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
+
 [[package]]
 name = "opaque-debug"
 version = "0.3.0"
@@ -1533,6 +1759,7 @@ name = "optics-ethereum"
 version = "0.1.0"
 dependencies = [
  "async-trait",
+ "color-eyre",
  "ethers",
  "optics-core",
  "serde 1.0.125",
@@ -1568,11 +1795,11 @@ checksum = "2386b4ebe91c2f7f51082d4cefa145d030e33a1842a96b12e4885cc3c01f7a55"
 
 [[package]]
 name = "parity-scale-codec"
-version = "2.0.1"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0cd3dab59b5cf4bc81069ade0fc470341a1ef3ad5fa73e5a8943bed2ec12b2e8"
+checksum = "731f4d179ed52b1c7eeb29baf29c604ea9301b889b23ce93660220a5465d5c6f"
 dependencies = [
- "arrayvec",
+ "arrayvec 0.7.0",
  "bitvec 0.20.2",
  "byte-slice-cast",
  "serde 1.0.125",
@@ -1595,10 +1822,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bf916dd32dd26297907890d99dc2740e33f6bd9073965af4ccff2967962f5508"
 dependencies = [
  "base64ct",
- "crypto-mac",
- "hmac",
+ "crypto-mac 0.10.0",
+ "hmac 0.10.1",
  "password-hash",
- "sha2",
+ "sha2 0.9.3",
 ]
 
 [[package]]
@@ -1645,6 +1872,15 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
+[[package]]
+name = "pkcs8"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4839a901843f3942576e65857f0ebf2e190ef7024d3c62a94099ba3f819ad1d"
+dependencies = [
+ "der",
+]
+
 [[package]]
 name = "pkg-config"
 version = "0.3.19"
@@ -1737,9 +1973,9 @@ checksum = "bc881b2c22681370c6a780e47af9840ef841837bc98118431d4e1868bd0c1086"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.24"
+version = "1.0.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"
+checksum = "a152013215dca273577e18d2bf00fa862b89b24169fb78c4c95aeb07992c9cec"
 dependencies = [
  "unicode-xid",
 ]
@@ -1943,7 +2179,7 @@ version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bf12057f289428dbf5c591c74bf10392e4a8003f993405a902f20117019022d4"
 dependencies = [
- "base64",
+ "base64 0.13.0",
  "bytes",
  "encoding_rs",
  "futures-core",
@@ -1988,6 +2224,17 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "ripemd160"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2eca4ecc81b7f313189bf73ce724400a07da2a6dac19588b03c8bd76a2dcc251"
+dependencies = [
+ "block-buffer 0.9.0",
+ "digest 0.9.0",
+ "opaque-debug 0.3.0",
+]
+
 [[package]]
 name = "rlp"
 version = "0.5.0"
@@ -2001,7 +2248,7 @@ dependencies = [
 [[package]]
 name = "rocksdb"
 version = "0.15.0"
-source = "git+https://github.com/rust-rocksdb/rust-rocksdb#bc59596da15867510133d60822e615ef6e3a1ca4"
+source = "git+https://github.com/rust-rocksdb/rust-rocksdb#0b700fe70da8ee30483fde79f44df549f8fe11ec"
 dependencies = [
  "libc",
  "librocksdb-sys",
@@ -2037,7 +2284,7 @@ version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "064fd21ff87c6e87ed4506e68beb42459caa4a0e2eb144932e6776768556980b"
 dependencies = [
- "base64",
+ "base64 0.13.0",
  "log",
  "ring",
  "sct",
@@ -2076,11 +2323,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "19230d10daad7f163d8c1fc8edf84fbe52ac71c2ebe5adf3f763aa1557b843e3"
 dependencies = [
  "base64ct",
- "hmac",
+ "hmac 0.10.1",
  "password-hash",
  "pbkdf2",
  "salsa20",
- "sha2",
+ "sha2 0.9.3",
 ]
 
 [[package]]
@@ -2133,9 +2380,9 @@ dependencies = [
 
 [[package]]
 name = "serde-aux"
-version = "2.1.1"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0162d500b846a7b331e583abaaa9c5c63c5777aa515dda3567c410ba243ce8be"
+checksum = "77eb8c83f6ebaedf5e8f970a8a44506b180b8e6268de03885c8547031ccaee00"
 dependencies = [
  "serde 1.0.125",
  "serde_json",
@@ -2203,11 +2450,23 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dfebf75d25bd900fd1e7d11501efab59bc846dbc76196839663e6637bba9f25f"
 dependencies = [
- "block-buffer",
+ "block-buffer 0.9.0",
  "cfg-if",
  "cpuid-bool",
- "digest",
- "opaque-debug",
+ "digest 0.9.0",
+ "opaque-debug 0.3.0",
+]
+
+[[package]]
+name = "sha2"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a256f46ea78a0c0d9ff00077504903ac881a1dafdc20da66545699e7776b3e69"
+dependencies = [
+ "block-buffer 0.7.3",
+ "digest 0.8.1",
+ "fake-simd",
+ "opaque-debug 0.2.3",
 ]
 
 [[package]]
@@ -2216,11 +2475,11 @@ version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fa827a14b29ab7f44778d14a88d3cb76e949c45083f7dbfa507d0cb699dc12de"
 dependencies = [
- "block-buffer",
+ "block-buffer 0.9.0",
  "cfg-if",
  "cpuid-bool",
- "digest",
- "opaque-debug",
+ "digest 0.9.0",
+ "opaque-debug 0.3.0",
 ]
 
 [[package]]
@@ -2229,10 +2488,10 @@ version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f81199417d4e5de3f04b1e871023acea7389672c4135918f05aa9cbf2f2fa809"
 dependencies = [
- "block-buffer",
- "digest",
+ "block-buffer 0.9.0",
+ "digest 0.9.0",
  "keccak",
- "opaque-debug",
+ "opaque-debug 0.3.0",
 ]
 
 [[package]]
@@ -2256,7 +2515,7 @@ version = "1.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "29f060a7d147e33490ec10da418795238fd7545bba241504d6b31a409f2e6210"
 dependencies = [
- "digest",
+ "digest 0.9.0",
  "rand_core 0.5.1",
 ]
 
@@ -2305,6 +2564,12 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
+[[package]]
+name = "subtle"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2d67a5a62ba6e01cb2192ff309324cb4875d0c451d55fe2319433abe7a05a8ee"
+
 [[package]]
 name = "subtle"
 version = "2.4.0"
@@ -2313,9 +2578,9 @@ checksum = "1e81da0851ada1f3e9d4312c704aa4f8806f0f9d69faaf8df2f3464b4a9437c2"
 
 [[package]]
 name = "syn"
-version = "1.0.67"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6498a9efc342871f91cc2d0d694c674368b4ceb40f62b65a7a08c3792935e702"
+checksum = "48fe99c6bd8b1cc636890bcc071842de909d902c81ac7dab53ba33c421ab8ffb"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2382,9 +2647,9 @@ dependencies = [
 
 [[package]]
 name = "tinyvec"
-version = "1.1.1"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "317cca572a0e89c3ce0ca1f1bdc9369547fe318a683418e42ac8f59d14701023"
+checksum = "5b5220f05bb7de7f3f53c7c065e1199b3172696fe2db9f9c4d8ad9b4ee74c342"
 dependencies = [
  "tinyvec_macros",
 ]
@@ -2623,7 +2888,7 @@ version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8ada8297e8d70872fa9a551d93250a9f407beb9f37ef86494eb20012a2ff7c24"
 dependencies = [
- "base64",
+ "base64 0.13.0",
  "byteorder",
  "bytes",
  "http",
@@ -2657,9 +2922,9 @@ dependencies = [
 
 [[package]]
 name = "unicode-bidi"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49f2bd0c6468a8230e1db229cff8029217cf623c767ea5d60bfbd42729ea54d5"
+checksum = "eeb8be209bb1c96b7c177c7420d26e04eccacb0eeae6b980e35fcb74678107e0"
 dependencies = [
  "matches",
 ]
@@ -2698,6 +2963,7 @@ dependencies = [
  "mockall",
  "optics-base",
  "optics-core",
+ "optics-ethereum",
  "optics-test",
  "rocksdb",
  "serde 1.0.125",
@@ -2851,6 +3117,7 @@ dependencies = [
  "log",
  "optics-base",
  "optics-core",
+ "optics-ethereum",
  "optics-test",
  "rocksdb",
  "serde 1.0.125",
@@ -2885,9 +3152,9 @@ dependencies = [
 
 [[package]]
 name = "webpki-roots"
-version = "0.21.0"
+version = "0.21.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "82015b7e0b8bad8185994674a13a93306bea76cf5a16c5a181382fd3a5ec2376"
+checksum = "aabe153544e473b775453675851ecc86863d2a81d786d741f6b76778f2a48940"
 dependencies = [
  "webpki",
 ]
diff --git a/rust/optics-base/src/settings/mod.rs b/rust/optics-base/src/settings/mod.rs
index 2734bf408..0a53eb380 100644
--- a/rust/optics-base/src/settings/mod.rs
+++ b/rust/optics-base/src/settings/mod.rs
@@ -5,14 +5,11 @@ use std::{collections::HashMap, env, sync::Arc};
 
 use crate::{db, home::Homes, replica::Replicas};
 
-/// Ethereum configuration
-pub mod ethereum;
-
 /// Tracing configuration
 pub mod log;
 
-use ethereum::EthereumConf;
 use log::TracingConfig;
+use optics_ethereum::settings::EthereumConf;
 
 use crate::agent::AgentCore;
 
diff --git a/rust/optics-ethereum/Cargo.toml b/rust/optics-ethereum/Cargo.toml
index ed83dcf32..8ab149da1 100644
--- a/rust/optics-ethereum/Cargo.toml
+++ b/rust/optics-ethereum/Cargo.toml
@@ -13,5 +13,6 @@ serde_json = { version = "1.0.61", default-features = false }
 ethers = { git = "https://github.com/gakonst/ethers-rs", features = ["abigen"] }
 async-trait = { version = "0.1.42", default-features = false }
 tracing = "0.1.22"
+color-eyre = "0.5.0"
 
 optics-core = { path = "../optics-core" }
diff --git a/rust/optics-ethereum/src/lib.rs b/rust/optics-ethereum/src/lib.rs
index 116dee244..ea70e2577 100644
--- a/rust/optics-ethereum/src/lib.rs
+++ b/rust/optics-ethereum/src/lib.rs
@@ -15,5 +15,8 @@ mod replica;
 /// Base trait for an agent
 mod utils;
 
+/// Configuration structs
+pub mod settings;
+
 #[cfg(not(doctest))]
-pub use crate::{home::EthereumHome, replica::EthereumReplica};
+pub use crate::{home::EthereumHome, replica::EthereumReplica, settings::EthereumSigner};
diff --git a/rust/optics-base/src/settings/ethereum.rs b/rust/optics-ethereum/src/settings.rs
similarity index 96%
rename from rust/optics-base/src/settings/ethereum.rs
rename to rust/optics-ethereum/src/settings.rs
index f50af3b19..7b9386176 100644
--- a/rust/optics-base/src/settings/ethereum.rs
+++ b/rust/optics-ethereum/src/settings.rs
@@ -30,14 +30,14 @@ macro_rules! construct_box_contract {
     ($contract:ident, $name:expr, $domain:expr, $address:expr, $provider:expr, $signer:expr) => {{
         if let Some(signer) = $signer {
             let provider = ethers::middleware::SignerMiddleware::new($provider, signer);
-            Box::new(optics_ethereum::$contract::new(
+            Box::new(crate::$contract::new(
                 $name,
                 $domain,
                 $address,
                 provider.into(),
             ))
         } else {
-            Box::new(optics_ethereum::$contract::new(
+            Box::new(crate::$contract::new(
                 $name,
                 $domain,
                 $address,
@@ -105,7 +105,8 @@ pub struct EthereumConf {
 }
 
 impl EthereumConf {
-    fn signer(&self) -> Option<Signers> {
+    /// Try to get a signer from the config
+    pub fn signer(&self) -> Option<Signers> {
         self.signer.try_into_signer().ok()
     }
 
diff --git a/rust/updater/Cargo.toml b/rust/updater/Cargo.toml
index bdf3c8c87..129d74108 100644
--- a/rust/updater/Cargo.toml
+++ b/rust/updater/Cargo.toml
@@ -22,6 +22,7 @@ rocksdb = { git = "https://github.com/rust-rocksdb/rust-rocksdb" }
 
 optics-core = { path = "../optics-core" }
 optics-base = { path = "../optics-base" }
+optics-ethereum = { path = "../optics-ethereum" }
 
 [dev-dependencies]
 mockall = "0.9.1"
diff --git a/rust/updater/src/settings.rs b/rust/updater/src/settings.rs
index 29e88eb5b..844a0dfde 100644
--- a/rust/updater/src/settings.rs
+++ b/rust/updater/src/settings.rs
@@ -1,5 +1,6 @@
 //! Configuration
-use optics_base::{decl_settings, settings::ethereum::EthereumSigner};
+use optics_base::decl_settings;
+use optics_ethereum::EthereumSigner;
 
 decl_settings!(Settings {
     agent: "updater",
diff --git a/rust/watcher/Cargo.toml b/rust/watcher/Cargo.toml
index 79e383a61..d7e657428 100644
--- a/rust/watcher/Cargo.toml
+++ b/rust/watcher/Cargo.toml
@@ -22,6 +22,7 @@ rocksdb = { git = "https://github.com/rust-rocksdb/rust-rocksdb" }
 
 optics-core = { path = "../optics-core" }
 optics-base = { path = "../optics-base" }
+optics-ethereum = { path = "../optics-ethereum" }
 
 [dev-dependencies]
 tokio-test = "0.4.0"
diff --git a/rust/watcher/src/settings.rs b/rust/watcher/src/settings.rs
index aacf284cc..6b68c913c 100644
--- a/rust/watcher/src/settings.rs
+++ b/rust/watcher/src/settings.rs
@@ -1,6 +1,7 @@
 //! Configuration
 
-use optics_base::{decl_settings, settings::ethereum::EthereumSigner};
+use optics_base::decl_settings;
+use optics_ethereum::EthereumSigner;
 
 decl_settings!(Settings {
     agent: "watcher",