@kleros/multicall-relayer

MulticallRelayer

Adds multiple calldatas to a batch and calls Multicall3 contract's aggregate3 function.

Installing

$ yarn add @kleros/multicall-relayer

Using it

Create MultiCaller

import MultiCaller from "@kleros/multicall-relayer"

const multicaller = new MultiCaller({
    rpcUrl,
    privateKey,
    multicall3Address,
    gasPriceCeilingWei, // optional
    logtailSourceToken, // optional
    amqp: { url, exchange } // optional
})

Add call to be batched

multicaller.add({
    allowFailure: false,
    target: poh.address,
    callData: pohI.encodeFunctionData(
                "withdrawFeesAndRewards",
                [beneficiary, humanityId, requestId, challengeId, round]
                )
})

// Or multiple calls...
multicaller.add(...calls)

Send the transaction!

const tx = await multicaller.send()

Constructor arguments

• rpcUrl - url of the rpc to be used.
• privateKey - private key of wallet to execute the transaction.
• multicall3Address - Multicall3 contract address on the chain corresponding to the given rpc.
• gasPriceCeilingWei (optional) - gas price ceiling in wei.
• logtailSourceToken (optional) - Logtail token to send logs to. If missing, console.log is used.
• amqp (optional) - AMQP to be notified once the transaction is sent to the blockchain. Requires 2 parameters:
  • url - url of the provider.
  • exchange - name of the exchange.