README - Chainlink — ContextQMD

Setup

Before starting:

Create .env file based on the example .env.example next to the CLI binary.
If you plan to resolve revert reasons from a transaction hash, you will need:
1. An EVM chain endpoint URL
2. A from address

The endpoint URL can be a locally running node (archive mode), or an externally hosted one like alchemy.

To see all available commands, run the following:

bash

go run main.go --help

Usage

Decoding an error code string (offline):

bash

> ./ccip-revert-reason reason --from-error "0x4e487b710000000000000000000000000000000000000000000000000000000000000032"
2022/12/05 15:18:33 Using config file .env
Decoded error: Assertion failure
If you access an array, bytesN or an array slice at an out-of-bounds or negative index (i.e. x[i] where i >= x.length or i < 0).%

Resolving from a transaction hash (NODE_URL and FROM_ADDRESS env vars need to be defined)

bash

> ./ccip-revert-reason reason "0x4e487b710000000000000"
2022/12/05 15:18:33 Using config file .env
Decoded error: Assertion failure
If you access an array, bytesN or an array slice at an out-of-bounds or negative index (i.e. x[i] where i >= x.length or i < 0).%