Unichain CCTP support (#794)

* Unichain CCTP support

* Added Unichain blockTimeMilliseconds entry

* Added Unichain mainnet rpc entry

* tweak finality for unichain

Author: kev1n-peters

core/base/src/constants/circle.ts

@@ -20,7 +20,8 @@ const usdcContracts = [[
     ["Base",      "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"],
     ["Polygon",   "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359"],
     ["Sui",       "0xdba34672e30cb065b1f93e3ab55318768fd6fef66c15942c9f7cb846e2f900e7::usdc::USDC"],
-    ["Aptos",     "0xbae207659db88bea0cbead6da0ed00aac12edcdda169e591cd41c94180b46f3b"]
+    ["Aptos",     "0xbae207659db88bea0cbead6da0ed00aac12edcdda169e591cd41c94180b46f3b"],
+    ["Unichain",  "0x078D782b760474a361dDA0AF3839290b0EF57AD6"]
   ]], [
   "Testnet", [
     ["Sepolia",         "0x1c7D4B196Cb0C7B01d743Fbc6116a902379C7238"],
@@ -31,13 +32,14 @@ const usdcContracts = [[
     ["BaseSepolia",     "0x036CbD53842c5426634e7929541eC2318f3dCF7e"],
     ["Polygon",         "0x9999f7Fea5938fD3b1E26A12c3f2fb024e194f97"],
     ["Sui",             "0xa1ec7fc00a6f40db9693ad1415d0c193ad3906494428cf252621037bd7117e29::usdc::USDC"],
-    ["Aptos",           "0x69091fbab5f7d635ee7ac5098cf0c1efbe31d68fec0f2cd565e8d168daf52832"]
+    ["Aptos",           "0x69091fbab5f7d635ee7ac5098cf0c1efbe31d68fec0f2cd565e8d168daf52832"],
+    ["Unichain",        "0x31d0220469e10c4E71834a79b1f276d740d3768F"]
   ]],
 ] as const satisfies MapLevel<Network, MapLevel<Chain, string>>;
 export const usdcContract = constMap(usdcContracts);
 
 // prettier-ignore
-// https://developers.circle.com/stablecoin/docs/cctp-technical-reference#domain-list
+// https://developers.circle.com/stablecoins/supported-domains
 const circleDomains = [[
   "Mainnet", [
     ["Ethereum",  0],
@@ -49,6 +51,7 @@ const circleDomains = [[
     ["Polygon",   7],
     ["Sui",       8],
     ["Aptos",     9],
+    ["Unichain", 10],
   ]], [
   "Testnet", [
     ["Sepolia",         0],
@@ -60,6 +63,7 @@ const circleDomains = [[
     ["Polygon",         7],
     ["Sui",             8],
     ["Aptos",           9],
+    ["Unichain",       10],
   ]],
 ] as const satisfies MapLevel<Network, MapLevel<Chain, number>>;
 

core/base/src/constants/contracts/circle.ts

@@ -65,6 +65,12 @@ export const circleContracts = [[
       messageTransmitter: "0x177e17751820e4b4371873ca8c30279be63bdea63b88ed0f2239c2eea10f1772",
       wormholeRelayer:    "",
       wormhole:           "",
+    }], [
+    "Unichain", {
+      tokenMessenger:     "0x4e744b28E787c3aD0e810eD65A24461D4ac5a762",
+      messageTransmitter: "0x353bE9E2E38AB1D19104534e4edC21c643Df86f4",
+      wormholeRelayer:    "",
+      wormhole:           "",
     }],
    ]], [
   "Testnet", [[
@@ -121,6 +127,12 @@ export const circleContracts = [[
       messageTransmitter: "0x081e86cebf457a0c6004f35bd648a2794698f52e0dde09a48619dcd3d4cc23d9",
       wormholeRelayer:    "",
       wormhole:           "",
+    }], [
+    "Unichain", {
+      tokenMessenger:     "0x8ed94B8dAd2Dc5453862ea5e316A8e71AAed9782",
+      messageTransmitter: "0xbc498c326533d675cf571B90A2Ced265ACb7d086",
+      wormholeRelayer:    "",
+      wormhole:           "",
     }],
    ]],
 ] as const satisfies MapLevels<[Network, Chain, CircleContracts]>;

core/base/src/constants/finality.ts

@@ -62,7 +62,7 @@ const finalityThresholds = [
   ["Berachain", 1],
   ["Seievm",    1],
   ["Snaxchain", 512],
-  ["Unichain",  512],
+  ["Unichain",  1024], // TODO: validate, this is inferred from vaa metrics timing
   ["Ink",       512],
   ["HyperEVM",  1],
   ["Monad",     1],
@@ -133,6 +133,7 @@ const blockTimeMilliseconds = [
   ["Sui",               3_000],
   ["Terra",             6_000],
   ["Terra2",            6_000],
+  ["Unichain",          1_000],
   ["Xpla",              5_000],
   ["Xlayer",            3_000],
   ["Worldchain",        2_000],

core/base/src/constants/rpc.ts

@@ -50,6 +50,7 @@ const rpcConfig = [[
     ["Berachain", "https://rpc.berachain.com"],
     ["Unichain",  "https://mainnet.unichain.org"],
     ["Worldchain","https://worldchain-mainnet.g.alchemy.com/public"],
+    ["Unichain",  "https://mainnet.unichain.org"],
   ]], [
   "Testnet", [
     ["Ethereum",        "https://eth-sepolia.public.blastapi.io"],