feat: Implement MirrorNodeContractQuery #2723
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Signed-off-by: Ivaylo Nikolov <[email protected]>
Signed-off-by: Ivaylo Nikolov <[email protected]>
Signed-off-by: Ivaylo Nikolov <[email protected]>
Signed-off-by: Ivaylo Nikolov <[email protected]>
Signed-off-by: Ivaylo Nikolov <[email protected]>
Signed-off-by: Ivaylo Nikolov <[email protected]>
0xivanov
reviewed
Dec 17, 2024
Signed-off-by: Ivaylo Nikolov <[email protected]>
Signed-off-by: Ivaylo Nikolov <[email protected]>
Signed-off-by: Ivaylo Nikolov <[email protected]>
Signed-off-by: Ivan Ivanov <[email protected]>
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0xivanov
reviewed
Dec 20, 2024
| let mirrorNetworkAddress = client.mirrorNetwork[0]; | ||
| let contractCallEndpoint = "/api/v1/contracts/call" | ||
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| if (client.ledgerId?.isLocalNode) { |
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Suggested change
| if (client.ledgerId?.isLocalNode) { | |
| if (!client.ledgerId || client.ledgerId.isLocalNode()) { |
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Description:
A new MirrorNodeContractQuery class 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 MirrorNodeContractQuery issues an HTTP request to the api/v1/contracts/call endpoint 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 optimize their contract interactions before executing them on the network.
Related issue(s):
Fixes #2670
Notes for reviewer:
Checklist
[x] Documented (Code comments, README, etc.)
[x] Tested (unit, integration, etc.)