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Expose eth_maxPriorityFeePerGas JSON RPC function #251

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Stefan-Ethernal
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@Stefan-Ethernal Stefan-Ethernal commented Aug 7, 2023

This PR exposes the eth_maxPriorityFeePerGas endpoint, which is introduced with EIP-1559. It also added a unit test that tests it. However, when such a unit test was introduced, it was realized that with the current implementation, it was impossible to send dynamic fee transactions, because of the following error returned from Geth: both gasPrice and (maxFeePerGas or maxPriorityFeePerGas) specified. That is why transaction marshaling and unmarshalling logic needed to be changed, so gasPrice is not included for dynamic fee transactions anymore.

Also, rename the eth_feeHistory parameters to be aligned with the specification and also provide the rewardPercentiles parameter (https://docs.alchemy.com/reference/eth-feehistory).

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@Stefan-Ethernal Stefan-Ethernal changed the title Expose eth_maxPriorityFeePerGas Expose eth_maxPriorityFeePerGas JSON RPC function Aug 7, 2023
@@ -401,3 +401,40 @@ func TestEthFeeHistory(t *testing.T) {
assert.NoError(t, err)
assert.NotNil(t, fee)
}

func TestEthMaxPriorityFeePerGas(t *testing.T) {
s := testutil.DeployTestServer(t, nil)
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Can you use s := testutil.NewTestServer(t) instead? I am trying not to deploy a new server for each unit test as it was done before. Otherwise, it taxes too much the CI.

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Fixed 2be2739

@ferranbt ferranbt merged commit b501468 into umbracle:main Aug 8, 2023
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@Stefan-Ethernal Stefan-Ethernal deleted the feat/expose-eip-1559-endpoints branch August 8, 2023 15:08
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2 participants