Remove outdated eth-permit in favor of custom code

centrifuge-js/package.json

@@ -34,7 +34,6 @@
     "@stablelib/blake2b": "^1.0.1",
     "clp-wasm": "^0.0.15",
     "decimal.js-light": "^2.5.1",
-    "eth-permit": "^0.2.3",
     "isomorphic-fetch": "^3.0.0",
     "jw3t": "^1.0.8",
     "lodash": "^4.17.21"

centrifuge-js/src/modules/liquidityPools.ts

@@ -1,5 +1,4 @@
 import BN from 'bn.js'
-import { signERC2612Permit } from 'eth-permit'
 import type { TransactionRequest, TransactionResponse } from 'ethers'
 import { Contract, Interface, Provider, ethers } from 'ethers'
 import set from 'lodash/set'
@@ -8,6 +7,7 @@ import { Centrifuge } from '../Centrifuge'
 import { TransactionOptions } from '../types'
 import { CurrencyBalance, TokenBalance } from '../utils/BN'
 import { Call, multicall } from '../utils/evmMulticall'
+import { signERC2612Permit } from '../utils/signERC2612Permit'
 import * as ABI from './liquidityPools/abi'
 import { CurrencyKey, CurrencyMetadata, getCurrencyEvmAddress, getCurrencyLocation } from './pools'
 

centrifuge-js/src/modules/pools.ts

@@ -3801,8 +3801,6 @@ export function getPoolsModule(inst: Centrifuge) {
       switchMap(({ api, pool: rawPool }) => {
         const pool = rawPool.toHuman() as PoolDetailsData
         const trancheIds = pool.tranches.ids
-        console.log('🚀 ~ trancheIds:', trancheIds)
-        console.log('🚀 ~ poolId:', poolId)
         return combineLatest([
           api.queryMulti(
             trancheIds.flatMap((trancheId) => [

centrifuge-js/src/utils/signERC2612Permit.ts

@@ -0,0 +1,67 @@
+import { ethers } from 'ethers'
+
+export async function signERC2612Permit(
+  provider: any,
+  token: string | { name: string; version: string; chainId: number; verifyingContract: string },
+  owner: string,
+  spender: string,
+  value: string,
+  deadline: number
+) {
+  const tokenAddress = typeof token === 'string' ? token : token.verifyingContract
+  const tokenContract = new ethers.Contract(
+    tokenAddress,
+    ['function name() view returns (string)', 'function nonces(address) view returns (uint256)'],
+    provider
+  )
+
+  let name: string, version: string, chainId: number
+  if (typeof token === 'string') {
+    name = await tokenContract.name()
+    version = '1'
+    chainId = Number((await provider.getNetwork()).chainId)
+  } else {
+    ;({ name, version, chainId } = token)
+  }
+
+  const domain = {
+    name,
+    version,
+    chainId,
+    verifyingContract: tokenAddress,
+  }
+
+  const types = {
+    Permit: [
+      { name: 'owner', type: 'address' },
+      { name: 'spender', type: 'address' },
+      { name: 'value', type: 'uint256' },
+      { name: 'nonce', type: 'uint256' },
+      { name: 'deadline', type: 'uint256' },
+    ],
+  }
+
+  const nonce = await tokenContract.nonces(owner)
+
+  const values = {
+    owner,
+    spender,
+    value,
+    nonce,
+    deadline,
+  }
+
+  const signer = await provider.getSigner(owner)
+  const signature = await signer.signTypedData(domain, types, values)
+  const { v, r, s } = ethers.Signature.from(signature)
+
+  return {
+    owner,
+    spender,
+    value,
+    deadline,
+    v,
+    r,
+    s,
+  }
+}

yarn.lock

@@ -1798,7 +1798,6 @@ __metadata:
     clp-wasm: ^0.0.15
     decimal.js-light: ^2.5.1
     eslint: ^7.32.0
-    eth-permit: ^0.2.3
     isomorphic-fetch: ^3.0.0
     jest: ^27.4.3
     jw3t: ^1.0.8
@@ -16092,15 +16091,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"eth-permit@npm:^0.2.3":
-  version: 0.2.3
-  resolution: "eth-permit@npm:0.2.3"
-  dependencies:
-    utf8: ^3.0.0
-  checksum: 9bf3eed8ecb8c914aadfff97d6c3d19fc432928c72fbe205075153e84289ea95f3a101f77e2dae78ad629e09682700241f207b5436b575ca7d4fbae68eacd3f6
-  languageName: node
-  linkType: hard
-
 "eth-query@npm:^2.1.2":
   version: 2.1.2
   resolution: "eth-query@npm:2.1.2"
@@ -27340,7 +27330,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"utf8@npm:3.0.0, utf8@npm:^3.0.0":
+"utf8@npm:3.0.0":
   version: 3.0.0
   resolution: "utf8@npm:3.0.0"
   checksum: cb89a69ad9ab393e3eae9b25305b3ff08bebca9adc839191a34f90777eb2942f86a96369d2839925fea58f8f722f7e27031d697f10f5f39690f8c5047303e62d