Add a query to estimate the gas of a contract call #878
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Signed-off-by: gsstoykov <[email protected]>
Signed-off-by: gsstoykov <[email protected]>
Signed-off-by: gsstoykov <[email protected]>
gsstoykov
changed the title
Signed-off-by: gsstoykov <[email protected]>
gsstoykov
changed the title
Signed-off-by: gsstoykov <[email protected]>
Signed-off-by: gsstoykov <[email protected]>
Signed-off-by: gsstoykov <[email protected]>
Signed-off-by: gsstoykov <[email protected]>
Signed-off-by: gsstoykov <[email protected]>
rwalworth
reviewed
Jan 22, 2025
Co-authored-by: Rob Walworth <[email protected]> Signed-off-by: gsstoykov <[email protected]>
Co-authored-by: Rob Walworth <[email protected]> Signed-off-by: gsstoykov <[email protected]>
Co-authored-by: Rob Walworth <[email protected]> Signed-off-by: gsstoykov <[email protected]>
Signed-off-by: gsstoykov <[email protected]>
rwalworth
reviewed
Jan 22, 2025
Signed-off-by: gsstoykov <[email protected]>
gsstoykov
deleted the
00841-add-a-query-to-estimate-the-gas-of-a-contract-call
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Description:
A new
MirrorNodeContractQueryclass has been introduced to support EVM gas estimation and simulation. This query class provides two distinct types of queries:MirrorNodeContractCallQuery– Executes a contract call and returns the result, simulating the execution of the contract.MirrorNodeContractEstimateGasQuery– Estimates the gas usage for a contract call, allowing developers to understand the cost of executing a transaction.The inputs for these queries match those of
ContractExecuteTransaction, making it easy for developers to calculate the cost of a follow-up transaction.The
MirrorNodeContractQueryissues an HTTP request to theapi/v1/contracts/callendpoint of the Mirror Node Web3 module, which supports both gas estimation and transient simulation of state-changing transactions. This enables accurate cost predictions and helps developers optimise their contract interactions before executing them on the network.Related issue(s):
Fixes #841
Notes for reviewer:
Design was agreed upon from discussions for Java/GO but could be reworked in the future as it is not fully extendable. The C++ SDK implements the design so it aligns with the other SDKs.
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