{
  "address": "CCTPV2Sm4AdWt5296sk4P66VBZ7bEhcARwFaaS9YPbeC",
  "metadata": {
    "name": "message_transmitter_v2",
    "version": "0.2.0",
    "spec": "0.1.0",
    "description": "Message Transmitter for Cross-Chain Transfer Protocol V2",
    "repository": "https://github.com/circlefin/solana-cctp-contracts"
  },
  "instructions": [
    {
      "name": "accept_ownership",
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      ],
      "accounts": [
        {
          "name": "pending_owner",
          "signer": true,
          "relations": [
            "message_transmitter"
          ]
        },
        {
          "name": "message_transmitter",
          "writable": true
        },
        {
          "name": "event_authority",
          "pda": {
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        },
        {
          "name": "program"
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      ],
      "args": [
        {
          "name": "params",
          "type": {
            "defined": {
              "name": "AcceptOwnershipParams"
            }
          }
        }
      ]
    },
    {
      "name": "disable_attester",
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          "name": "payer",
          "writable": true,
          "signer": true
        },
        {
          "name": "attester_manager",
          "signer": true,
          "relations": [
            "message_transmitter"
          ]
        },
        {
          "name": "message_transmitter",
          "writable": true
        },
        {
          "name": "system_program",
          "address": "11111111111111111111111111111111"
        },
        {
          "name": "event_authority",
          "pda": {
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        {
          "name": "program"
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      ],
      "args": [
        {
          "name": "params",
          "type": {
            "defined": {
              "name": "DisableAttesterParams"
            }
          }
        }
      ]
    },
    {
      "name": "enable_attester",
      "discriminator": [
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      ],
      "accounts": [
        {
          "name": "payer",
          "writable": true,
          "signer": true
        },
        {
          "name": "attester_manager",
          "signer": true,
          "relations": [
            "message_transmitter"
          ]
        },
        {
          "name": "message_transmitter",
          "writable": true
        },
        {
          "name": "system_program",
          "address": "11111111111111111111111111111111"
        },
        {
          "name": "event_authority",
          "pda": {
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        },
        {
          "name": "program"
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      ],
      "args": [
        {
          "name": "params",
          "type": {
            "defined": {
              "name": "EnableAttesterParams"
            }
          }
        }
      ]
    },
    {
      "name": "initialize",
      "discriminator": [
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      ],
      "accounts": [
        {
          "name": "payer",
          "writable": true,
          "signer": true
        },
        {
          "name": "upgrade_authority",
          "signer": true
        },
        {
          "name": "message_transmitter",
          "writable": true,
          "pda": {
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              }
            ]
          }
        },
        {
          "name": "message_transmitter_program_data"
        },
        {
          "name": "message_transmitter_program",
          "address": "CCTPV2Sm4AdWt5296sk4P66VBZ7bEhcARwFaaS9YPbeC"
        },
        {
          "name": "system_program",
          "address": "11111111111111111111111111111111"
        },
        {
          "name": "event_authority",
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        },
        {
          "name": "program"
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      ],
      "args": [
        {
          "name": "params",
          "type": {
            "defined": {
              "name": "InitializeParams"
            }
          }
        }
      ]
    },
    {
      "name": "is_nonce_used",
      "discriminator": [
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      ],
      "accounts": [
        {
          "name": "used_nonce",
          "docs": [
            "Account will be explicitly loaded to avoid error when it's not initialized"
          ]
        }
      ],
      "args": [],
      "returns": "bool"
    },
    {
      "name": "pause",
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      ],
      "accounts": [
        {
          "name": "pauser",
          "signer": true,
          "relations": [
            "message_transmitter"
          ]
        },
        {
          "name": "message_transmitter",
          "writable": true
        },
        {
          "name": "event_authority",
          "pda": {
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        },
        {
          "name": "program"
        }
      ],
      "args": [
        {
          "name": "params",
          "type": {
            "defined": {
              "name": "PauseParams"
            }
          }
        }
      ]
    },
    {
      "name": "receive_message",
      "discriminator": [
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      ],
      "accounts": [
        {
          "name": "payer",
          "writable": true,
          "signer": true
        },
        {
          "name": "caller",
          "signer": true
        },
        {
          "name": "authority_pda",
          "pda": {
            "seeds": [
              {
                "kind": "const",
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                ]
              },
              {
                "kind": "account",
                "path": "receiver"
              }
            ]
          }
        },
        {
          "name": "message_transmitter"
        },
        {
          "name": "used_nonce",
          "docs": [
            "Each nonce is stored in a separate PDA"
          ],
          "writable": true
        },
        {
          "name": "receiver"
        },
        {
          "name": "system_program",
          "address": "11111111111111111111111111111111"
        },
        {
          "name": "event_authority",
          "pda": {
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                "kind": "const",
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            ]
          }
        },
        {
          "name": "program"
        }
      ],
      "args": [
        {
          "name": "params",
          "type": {
            "defined": {
              "name": "ReceiveMessageParams"
            }
          }
        }
      ]
    },
    {
      "name": "reclaim_event_account",
      "discriminator": [
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      ],
      "accounts": [
        {
          "name": "payee",
          "docs": [
            "rent SOL receiver, should match original rent payer"
          ],
          "writable": true,
          "signer": true
        },
        {
          "name": "message_transmitter",
          "writable": true
        },
        {
          "name": "message_sent_event_data",
          "writable": true
        }
      ],
      "args": [
        {
          "name": "params",
          "type": {
            "defined": {
              "name": "ReclaimEventAccountParams"
            }
          }
        }
      ]
    },
    {
      "name": "send_message",
      "discriminator": [
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      ],
      "accounts": [
        {
          "name": "event_rent_payer",
          "writable": true,
          "signer": true
        },
        {
          "name": "sender_authority_pda",
          "signer": true,
          "pda": {
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              }
            ],
            "program": {
              "kind": "account",
              "path": "sender_program"
            }
          }
        },
        {
          "name": "message_transmitter",
          "writable": true
        },
        {
          "name": "message_sent_event_data",
          "writable": true,
          "signer": true
        },
        {
          "name": "sender_program"
        },
        {
          "name": "system_program",
          "address": "11111111111111111111111111111111"
        }
      ],
      "args": [
        {
          "name": "params",
          "type": {
            "defined": {
              "name": "SendMessageParams"
            }
          }
        }
      ]
    },
    {
      "name": "set_max_message_body_size",
      "discriminator": [
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      ],
      "accounts": [
        {
          "name": "owner",
          "signer": true,
          "relations": [
            "message_transmitter"
          ]
        },
        {
          "name": "message_transmitter",
          "writable": true
        },
        {
          "name": "event_authority",
          "pda": {
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            ]
          }
        },
        {
          "name": "program"
        }
      ],
      "args": [
        {
          "name": "params",
          "type": {
            "defined": {
              "name": "SetMaxMessageBodySizeParams"
            }
          }
        }
      ]
    },
    {
      "name": "set_signature_threshold",
      "discriminator": [
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      ],
      "accounts": [
        {
          "name": "attester_manager",
          "signer": true,
          "relations": [
            "message_transmitter"
          ]
        },
        {
          "name": "message_transmitter",
          "writable": true
        },
        {
          "name": "event_authority",
          "pda": {
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        },
        {
          "name": "program"
        }
      ],
      "args": [
        {
          "name": "params",
          "type": {
            "defined": {
              "name": "SetSignatureThresholdParams"
            }
          }
        }
      ]
    },
    {
      "name": "transfer_ownership",
      "discriminator": [
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      "accounts": [
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          "name": "owner",
          "signer": true,
          "relations": [
            "message_transmitter"
          ]
        },
        {
          "name": "message_transmitter",
          "writable": true
        },
        {
          "name": "event_authority",
          "pda": {
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        },
        {
          "name": "program"
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      ],
      "args": [
        {
          "name": "params",
          "type": {
            "defined": {
              "name": "TransferOwnershipParams"
            }
          }
        }
      ]
    },
    {
      "name": "unpause",
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      ],
      "accounts": [
        {
          "name": "pauser",
          "signer": true,
          "relations": [
            "message_transmitter"
          ]
        },
        {
          "name": "message_transmitter",
          "writable": true
        },
        {
          "name": "event_authority",
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          "name": "program"
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      ],
      "args": [
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          "name": "params",
          "type": {
            "defined": {
              "name": "UnpauseParams"
            }
          }
        }
      ]
    },
    {
      "name": "update_attester_manager",
      "discriminator": [
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      "accounts": [
        {
          "name": "owner",
          "signer": true,
          "relations": [
            "message_transmitter"
          ]
        },
        {
          "name": "message_transmitter",
          "writable": true
        },
        {
          "name": "event_authority",
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          }
        },
        {
          "name": "program"
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      ],
      "args": [
        {
          "name": "params",
          "type": {
            "defined": {
              "name": "UpdateAttesterManagerParams"
            }
          }
        }
      ]
    },
    {
      "name": "update_pauser",
      "discriminator": [
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      ],
      "accounts": [
        {
          "name": "owner",
          "signer": true,
          "relations": [
            "message_transmitter"
          ]
        },
        {
          "name": "message_transmitter",
          "writable": true
        },
        {
          "name": "event_authority",
          "pda": {
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            ]
          }
        },
        {
          "name": "program"
        }
      ],
      "args": [
        {
          "name": "params",
          "type": {
            "defined": {
              "name": "UpdatePauserParams"
            }
          }
        }
      ]
    }
  ],
  "accounts": [
    {
      "name": "MessageSent",
      "discriminator": [
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      ]
    },
    {
      "name": "MessageTransmitter",
      "discriminator": [
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      ]
    },
    {
      "name": "UsedNonce",
      "discriminator": [
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      ]
    }
  ],
  "events": [
    {
      "name": "AttesterDisabled",
      "discriminator": [
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        14,
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        2,
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        211
      ]
    },
    {
      "name": "AttesterEnabled",
      "discriminator": [
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      ]
    },
    {
      "name": "AttesterManagerUpdated",
      "discriminator": [
        5,
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        191,
        108,
        44,
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        69,
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      ]
    },
    {
      "name": "MaxMessageBodySizeUpdated",
      "discriminator": [
        134,
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      ]
    },
    {
      "name": "MessageReceived",
      "discriminator": [
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        157,
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      ]
    },
    {
      "name": "OwnershipTransferStarted",
      "discriminator": [
        183,
        253,
        239,
        246,
        140,
        179,
        133,
        105
      ]
    },
    {
      "name": "OwnershipTransferred",
      "discriminator": [
        172,
        61,
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        183,
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        38,
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      ]
    },
    {
      "name": "Pause",
      "discriminator": [
        194,
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        232,
        196,
        118,
        95,
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      ]
    },
    {
      "name": "PauserChanged",
      "discriminator": [
        142,
        157,
        158,
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        8,
        119,
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      ]
    },
    {
      "name": "SignatureThresholdUpdated",
      "discriminator": [
        156,
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        103,
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        15,
        38,
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        189
      ]
    },
    {
      "name": "Unpause",
      "discriminator": [
        241,
        149,
        104,
        90,
        199,
        136,
        219,
        146
      ]
    }
  ],
  "errors": [
    {
      "code": 6000,
      "name": "InvalidAuthority",
      "msg": "Invalid authority"
    },
    {
      "code": 6001,
      "name": "ProgramPaused",
      "msg": "Instruction is not allowed at this time"
    },
    {
      "code": 6002,
      "name": "InvalidMessageTransmitterState",
      "msg": "Invalid message transmitter state"
    },
    {
      "code": 6003,
      "name": "InvalidSignatureThreshold",
      "msg": "Invalid signature threshold"
    },
    {
      "code": 6004,
      "name": "SignatureThresholdAlreadySet",
      "msg": "Signature threshold already set"
    },
    {
      "code": 6005,
      "name": "InvalidOwner",
      "msg": "Invalid owner"
    },
    {
      "code": 6006,
      "name": "InvalidPauser",
      "msg": "Invalid pauser"
    },
    {
      "code": 6007,
      "name": "InvalidAttesterManager",
      "msg": "Invalid attester manager"
    },
    {
      "code": 6008,
      "name": "InvalidAttester",
      "msg": "Invalid attester"
    },
    {
      "code": 6009,
      "name": "AttesterAlreadyEnabled",
      "msg": "Attester already enabled"
    },
    {
      "code": 6010,
      "name": "TooFewEnabledAttesters",
      "msg": "Too few enabled attesters"
    },
    {
      "code": 6011,
      "name": "SignatureThresholdTooLow",
      "msg": "Signature threshold is too low"
    },
    {
      "code": 6012,
      "name": "AttesterAlreadyDisabled",
      "msg": "Attester already disabled"
    },
    {
      "code": 6013,
      "name": "MessageBodyLimitExceeded",
      "msg": "Message body exceeds max size"
    },
    {
      "code": 6014,
      "name": "InvalidDestinationCaller",
      "msg": "Invalid destination caller"
    },
    {
      "code": 6015,
      "name": "InvalidRecipient",
      "msg": "Invalid message recipient"
    },
    {
      "code": 6016,
      "name": "SenderNotPermitted",
      "msg": "Sender is not permitted"
    },
    {
      "code": 6017,
      "name": "InvalidSourceDomain",
      "msg": "Invalid source domain"
    },
    {
      "code": 6018,
      "name": "InvalidDestinationDomain",
      "msg": "Invalid destination domain"
    },
    {
      "code": 6019,
      "name": "InvalidMessageVersion",
      "msg": "Invalid message version"
    },
    {
      "code": 6020,
      "name": "InvalidUsedNoncesAccount",
      "msg": "Invalid used nonces account"
    },
    {
      "code": 6021,
      "name": "InvalidRecipientProgram",
      "msg": "Invalid recipient program"
    },
    {
      "code": 6022,
      "name": "InvalidNonce",
      "msg": "Invalid nonce"
    },
    {
      "code": 6023,
      "name": "NonceAlreadyUsed",
      "msg": "Nonce already used"
    },
    {
      "code": 6024,
      "name": "MessageTooShort",
      "msg": "Message is too short"
    },
    {
      "code": 6025,
      "name": "MalformedMessage",
      "msg": "Malformed message"
    },
    {
      "code": 6026,
      "name": "InvalidSignatureOrderOrDupe",
      "msg": "Invalid signature order or dupe"
    },
    {
      "code": 6027,
      "name": "InvalidAttesterSignature",
      "msg": "Invalid attester signature"
    },
    {
      "code": 6028,
      "name": "InvalidAttestationLength",
      "msg": "Invalid attestation length"
    },
    {
      "code": 6029,
      "name": "InvalidSignatureRecoveryId",
      "msg": "Invalid signature recovery ID"
    },
    {
      "code": 6030,
      "name": "InvalidSignatureSValue",
      "msg": "Invalid signature S value"
    },
    {
      "code": 6031,
      "name": "InvalidMessageHash",
      "msg": "Invalid message hash"
    },
    {
      "code": 6032,
      "name": "InvalidDestinationMessage",
      "msg": "Invalid destination message"
    },
    {
      "code": 6033,
      "name": "EventAccountWindowNotExpired",
      "msg": "Event account window not expired"
    },
    {
      "code": 6034,
      "name": "DestinationDomainIsLocalDomain",
      "msg": "Destination domain is local domain"
    }
  ],
  "types": [
    {
      "name": "AcceptOwnershipParams",
      "type": {
        "kind": "struct",
        "fields": []
      }
    },
    {
      "name": "AttesterDisabled",
      "type": {
        "kind": "struct",
        "fields": [
          {
            "name": "attester",
            "type": "pubkey"
          }
        ]
      }
    },
    {
      "name": "AttesterEnabled",
      "type": {
        "kind": "struct",
        "fields": [
          {
            "name": "attester",
            "type": "pubkey"
          }
        ]
      }
    },
    {
      "name": "AttesterManagerUpdated",
      "type": {
        "kind": "struct",
        "fields": [
          {
            "name": "previous_attester_manager",
            "type": "pubkey"
          },
          {
            "name": "new_attester_manager",
            "type": "pubkey"
          }
        ]
      }
    },
    {
      "name": "DisableAttesterParams",
      "type": {
        "kind": "struct",
        "fields": [
          {
            "name": "attester",
            "type": "pubkey"
          }
        ]
      }
    },
    {
      "name": "EnableAttesterParams",
      "type": {
        "kind": "struct",
        "fields": [
          {
            "name": "new_attester",
            "type": "pubkey"
          }
        ]
      }
    },
    {
      "name": "InitializeParams",
      "type": {
        "kind": "struct",
        "fields": [
          {
            "name": "local_domain",
            "type": "u32"
          },
          {
            "name": "attester",
            "type": "pubkey"
          },
          {
            "name": "max_message_body_size",
            "type": "u64"
          },
          {
            "name": "version",
            "type": "u32"
          }
        ]
      }
    },
    {
      "name": "MaxMessageBodySizeUpdated",
      "type": {
        "kind": "struct",
        "fields": [
          {
            "name": "new_max_message_body_size",
            "type": "u64"
          }
        ]
      }
    },
    {
      "name": "MessageReceived",
      "type": {
        "kind": "struct",
        "fields": [
          {
            "name": "caller",
            "type": "pubkey"
          },
          {
            "name": "source_domain",
            "type": "u32"
          },
          {
            "name": "nonce",
            "type": {
              "array": [
                "u8",
                32
              ]
            }
          },
          {
            "name": "sender",
            "type": "pubkey"
          },
          {
            "name": "finality_threshold_executed",
            "type": "u32"
          },
          {
            "name": "message_body",
            "type": "bytes"
          }
        ]
      }
    },
    {
      "name": "MessageSent",
      "type": {
        "kind": "struct",
        "fields": [
          {
            "name": "rent_payer",
            "type": "pubkey"
          },
          {
            "name": "created_at",
            "type": "i64"
          },
          {
            "name": "message",
            "type": "bytes"
          }
        ]
      }
    },
    {
      "name": "MessageTransmitter",
      "docs": [
        "Main state of the MessageTransmitter program"
      ],
      "type": {
        "kind": "struct",
        "fields": [
          {
            "name": "owner",
            "type": "pubkey"
          },
          {
            "name": "pending_owner",
            "type": "pubkey"
          },
          {
            "name": "attester_manager",
            "type": "pubkey"
          },
          {
            "name": "pauser",
            "type": "pubkey"
          },
          {
            "name": "paused",
            "type": "bool"
          },
          {
            "name": "local_domain",
            "type": "u32"
          },
          {
            "name": "version",
            "type": "u32"
          },
          {
            "name": "signature_threshold",
            "type": "u32"
          },
          {
            "name": "enabled_attesters",
            "type": {
              "vec": "pubkey"
            }
          },
          {
            "name": "max_message_body_size",
            "type": "u64"
          }
        ]
      }
    },
    {
      "name": "OwnershipTransferStarted",
      "type": {
        "kind": "struct",
        "fields": [
          {
            "name": "previous_owner",
            "type": "pubkey"
          },
          {
            "name": "new_owner",
            "type": "pubkey"
          }
        ]
      }
    },
    {
      "name": "OwnershipTransferred",
      "type": {
        "kind": "struct",
        "fields": [
          {
            "name": "previous_owner",
            "type": "pubkey"
          },
          {
            "name": "new_owner",
            "type": "pubkey"
          }
        ]
      }
    },
    {
      "name": "Pause",
      "type": {
        "kind": "struct",
        "fields": []
      }
    },
    {
      "name": "PauseParams",
      "type": {
        "kind": "struct",
        "fields": []
      }
    },
    {
      "name": "PauserChanged",
      "type": {
        "kind": "struct",
        "fields": [
          {
            "name": "new_address",
            "type": "pubkey"
          }
        ]
      }
    },
    {
      "name": "ReceiveMessageParams",
      "type": {
        "kind": "struct",
        "fields": [
          {
            "name": "message",
            "type": "bytes"
          },
          {
            "name": "attestation",
            "type": "bytes"
          }
        ]
      }
    },
    {
      "name": "ReclaimEventAccountParams",
      "type": {
        "kind": "struct",
        "fields": [
          {
            "name": "attestation",
            "type": "bytes"
          },
          {
            "name": "destination_message",
            "type": "bytes"
          }
        ]
      }
    },
    {
      "name": "SendMessageParams",
      "type": {
        "kind": "struct",
        "fields": [
          {
            "name": "destination_domain",
            "type": "u32"
          },
          {
            "name": "recipient",
            "type": "pubkey"
          },
          {
            "name": "destination_caller",
            "type": "pubkey"
          },
          {
            "name": "min_finality_threshold",
            "type": "u32"
          },
          {
            "name": "message_body",
            "type": "bytes"
          }
        ]
      }
    },
    {
      "name": "SetMaxMessageBodySizeParams",
      "type": {
        "kind": "struct",
        "fields": [
          {
            "name": "new_max_message_body_size",
            "type": "u64"
          }
        ]
      }
    },
    {
      "name": "SetSignatureThresholdParams",
      "type": {
        "kind": "struct",
        "fields": [
          {
            "name": "new_signature_threshold",
            "type": "u32"
          }
        ]
      }
    },
    {
      "name": "SignatureThresholdUpdated",
      "type": {
        "kind": "struct",
        "fields": [
          {
            "name": "old_signature_threshold",
            "type": "u32"
          },
          {
            "name": "new_signature_threshold",
            "type": "u32"
          }
        ]
      }
    },
    {
      "name": "TransferOwnershipParams",
      "type": {
        "kind": "struct",
        "fields": [
          {
            "name": "new_owner",
            "type": "pubkey"
          }
        ]
      }
    },
    {
      "name": "Unpause",
      "type": {
        "kind": "struct",
        "fields": []
      }
    },
    {
      "name": "UnpauseParams",
      "type": {
        "kind": "struct",
        "fields": []
      }
    },
    {
      "name": "UpdateAttesterManagerParams",
      "type": {
        "kind": "struct",
        "fields": [
          {
            "name": "new_attester_manager",
            "type": "pubkey"
          }
        ]
      }
    },
    {
      "name": "UpdatePauserParams",
      "type": {
        "kind": "struct",
        "fields": [
          {
            "name": "new_pauser",
            "type": "pubkey"
          }
        ]
      }
    },
    {
      "name": "UsedNonce",
      "type": {
        "kind": "struct",
        "fields": [
          {
            "name": "is_used",
            "type": "bool"
          }
        ]
      }
    }
  ]
}