Gas

JAZ has upgraded EIP1559 (opens new window), which means

  • eth_feeHistory - new rpc endpoint which returns a collection of historical gas information for up to 1024 blocks

  • baseFeePerGas - new block property. Base fee per gas used for a given block. Currently, it is the minimum gas price for each network. eth_gasPrice will return this value

  • effectiveGasPrice - new property inside the transaction receipt. Gas priced being used for the transaction

  • maxFeePerGas - new transaction object property. Defines how much base fee the transaction is allowed to pay

  • maxPriorityFeePerGas - new transaction object property. Correspond to the "tip" to prioritize transactions. Currently, 80% is burned and 20% goes to the Treasury, although this might change in the future

are supported.

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