ConfirmedBlockHeightExistsVerification
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Source | Inherits from IConfirmedBlockHeightExistsVerification
Contract for verifying ConfirmedBlockHeightExists
attestations within the State Connector.
This contract can be utilized at the end of the attestation request process to verify that the data
returned by an attestation provider matches the on-chain Merkle proof.
Functions#
constructor
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constructor(
contract IMerkleRootStorage _merkleRootStorage
) public;
verifyConfirmedBlockHeightExists
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function verifyConfirmedBlockHeightExists(
struct ConfirmedBlockHeightExists.Proof _proof
) external view returns (
bool _proved);
Verifies the ConfirmedBlockHeightExists
attestation using a Merkle proof.
It checks whether the provided proof corresponds to the on-chain Merkle root for the voting round specified inside the proof.
Parameters | Type | Description |
---|---|---|
_proof |
struct ConfirmedBlockHeightExists.Proof |
The ConfirmedBlockHeightExists attestation proof, which includes the Merkle proof and the attestation data. This proof is obtained directly from attestation providers. To learn about the format of this data, see Attestation types. |
Returns | Type | Description |
---|---|---|
_proved |
bool |
Whether the attestation is successfully verified. |