feat: pass binary-encoded value of address

Author: realnimish

Diff for: packages/gateway/package.json

@@ -58,6 +58,7 @@
   "dependencies": {
     "@chainlink/ccip-read-server": "^0.2.1",
     "@chainlink/ethers-ccip-read-provider": "^0.2.3",
+    "@ensdomains/address-encoder": "^1.1.2",
     "@ensdomains/ens-contracts": "^0.0.8",
     "@ensdomains/offchain-resolver-contracts": "^0.2.1",
     "@polkadot/api": "^12.3.1",

Diff for: packages/gateway/src/azero-id.ts

@@ -3,7 +3,11 @@ import { ApiPromise, WsProvider } from '@polkadot/api';
 import { Database } from './server';
 import { ContractPromise } from '@polkadot/api-contract';
 import type { WeightV2 } from '@polkadot/types/interfaces';
+import { getCoderByCoinType } from "@ensdomains/address-encoder";
+import { createDotAddressDecoder } from '@ensdomains/address-encoder/utils'
+import { hexlify } from 'ethers/lib/utils';
 
+const AZERO_COIN_TYPE = 643;
 const ZERO_ADDRESS = '0x0000000000000000000000000000000000000000';
 const EMPTY_CONTENT_HASH = '0x';
 
@@ -37,11 +41,11 @@ export class AzeroId implements Database {
   }
 
   async addr(name: string, coinType: number) {
+    coinType = Number(coinType); // convert BigNumber to number
     console.log("addr", name, coinType);
 
     let value;
-    if (coinType == 643) {
-      // AlephZero
+    if (coinType == AZERO_COIN_TYPE) {
       value = await this.fetchA0ResolverAddress(name);
     } else {
       let alias = AzeroId.getAlias(""+coinType);
@@ -55,7 +59,12 @@ export class AzeroId implements Database {
       }
     }
 
-    value = value ?? (coinType == 60? ZERO_ADDRESS:'0x');
+    if (value === undefined) {
+      value = coinType == 60? ZERO_ADDRESS:'0x';
+    } else {
+      value = AzeroId.encodeAddress(value, coinType);
+    }
+
     return { addr: value, ttl: this.ttl };
   }
 
@@ -124,4 +133,25 @@ export class AzeroId implements Database {
 
     return alias.get(coinType);
   }
+
+  static encodeAddress(addr: string, coinType: number) {
+    const isEvmCoinType = (c: number) => {
+      return c == 60 || (c & 0x80000000)!=0
+    }
+
+    if (coinType == AZERO_COIN_TYPE) {
+      const azeroCoder = createDotAddressDecoder(42);
+      return hexlify(azeroCoder(addr));
+    }
+    if (isEvmCoinType(coinType) && !addr.startsWith('0x')) {
+      addr = '0x' + addr;
+    }
+
+    try {
+      const coder = getCoderByCoinType(coinType);
+      return hexlify(coder.decode(addr));
+    } catch {
+      return addr;
+    }
+  }
 }

Diff for: yarn.lock

@@ -994,6 +994,15 @@
     nano-base32 "^1.0.1"
     ripemd160 "^2.0.2"
 
+"@ensdomains/address-encoder@^1.1.2":
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/@ensdomains/address-encoder/-/address-encoder-1.1.2.tgz#29bb2346f4da21f8e2f7f05a4755d9ccd3ecab6e"
+  integrity sha512-x+uUZbtvtWDh23dLH/U//re0s9v341tFB6SJeUElkQ31O3jkoUh3jvgnx+NxiohWW6JWW6QrXS4kigxuvwbi2A==
+  dependencies:
+    "@noble/curves" "^1.2.0"
+    "@noble/hashes" "^1.3.2"
+    "@scure/base" "^1.1.5"
+
 "@ensdomains/buffer@^0.0.13":
   version "0.0.13"
   resolved "https://registry.yarnpkg.com/@ensdomains/buffer/-/buffer-0.0.13.tgz#b9f60defb78fc5f2bee30faca17e63dfbef19253"
@@ -2235,6 +2244,13 @@
     undici "5.5.1"
     ws "^8.2.2"
 
+"@noble/curves@^1.2.0":
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/@noble/curves/-/curves-1.6.0.tgz#be5296ebcd5a1730fccea4786d420f87abfeb40b"
+  integrity sha512-TlaHRXDehJuRNR9TfZDNQ45mMEd5dwUwmicsafcIX4SsNiqnCHKjE/1alYPd/lDRVhxdhUAlv8uEhMCI5zjIJQ==
+  dependencies:
+    "@noble/hashes" "1.5.0"
+
 "@noble/curves@^1.3.0":
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/@noble/curves/-/curves-1.5.0.tgz#7a9b9b507065d516e6dce275a1e31db8d2a100dd"
@@ -2252,6 +2268,11 @@
   resolved "https://registry.yarnpkg.com/@noble/hashes/-/hashes-1.4.0.tgz#45814aa329f30e4fe0ba49426f49dfccdd066426"
   integrity sha512-V1JJ1WTRUqHHrOSh597hURcMqVKVGL/ea3kv0gSnEdsEZ0/+VyPghM1lMNGc00z7CIQorSvbKpuJkxvuHbvdbg==
 
+"@noble/[email protected]", "@noble/hashes@^1.3.2":
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/@noble/hashes/-/hashes-1.5.0.tgz#abadc5ca20332db2b1b2aa3e496e9af1213570b0"
+  integrity sha512-1j6kQFb7QRru7eKN3ZDvRcP13rugwdxZqCjbiAVZfIJwgj2A65UmT4TgARXGlXgnRkORLTDTrO19ZErt7+QXgA==
+
 "@noble/hashes@~1.1.1":
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/@noble/hashes/-/hashes-1.1.3.tgz#360afc77610e0a61f3417e497dcf36862e4f8111"