fix: add a margin of 0.001% on sweeping transactions to ensure higher success rate

bin/lamassu-eth-sweep-to-new-wallet

@@ -263,7 +263,7 @@ settingsLoader.loadLatest()
     }
 
     const opts = {
-      chainId: 3,
+      chainId: 1,
       nonce: 0,
       includesFee: true
     }

lib/plugins/wallet/geth/base.js

@@ -10,6 +10,7 @@ const Tx = require('ethereumjs-tx')
 const { default: PQueue } = require('p-queue')
 const util = require('ethereumjs-util')
 const coins = require('@lamassu/coins')
+const { BigNumber } = require('bignumber.js')
 
 const _pify = require('pify')
 const BN = require('../../../bn')
@@ -205,7 +206,7 @@ function generateTx (_toAddress, wallet, amount, includesFee, cryptoCode) {
       lastUsedNonces[fromAddress] = txCount
 
       const toSend = includesFee
-        ? amount.minus(gasPrice.times(gas))
+        ? new BN(amount.times(0.99999).toFixed(0, BigNumber.ROUND_DOWN)).minus(gasPrice.times(gas))
         : amount
 
       const maxPriorityFeePerGas = new BN(web3.utils.toWei('2.5', 'gwei')) // web3 default value