Sending Web3.js Contract Calls with Automatic Gas Estimation: A Practical Guide
Learn how to use web3.js to send a contract transaction with automatic gas estimation, including code, pitfalls, and verification steps.
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web3jsGas estimation discrepancies between local nodes and production RPC providers
When using web3.js to deploy smart contracts, transactions often succeed on local development environments like Hardhat or Anvil but fail with 'out of gas' errors when executed against production-grade providers like Infura or Alchemy. Local nodes frequently provide infinite gas limits or decoupled block states that do not account for the strict constraints