CoprocessorAdapter

A base contract, which should be inherited for interacting with the Coprocessor

State Variables

bytes32 public machineHash;

ITaskIssuer public taskIssuer;

mapping(bytes32 => bool) public computationSent;

Initializes the contract with the coprocessor address and machine hash

constructor(address _taskIssuer, bytes32 _machineHash);

Parameters

Name	Type	Description
`_taskIssuer`	`address`	Address of the coprocessor task issuer
`_machineHash`	`bytes32`	Initial machine hash

Issues a task to the coprocessor

function callCoprocessor(bytes memory input) internal;

Parameters

Name	Type	Description
`input`	`bytes`	ABI-encoded input data for the coprocessor

Handles notices sent back from the coprocessor

This function should be overridden by child contracts to define specific behavior

function handleNotice(bytes32 payloadHash, bytes memory notice) internal virtual;

Parameters

Name	Type	Description
`payloadHash`	`bytes32`	This is a hash of the initial input whose response/resolution is being returned
`notice`	`bytes`	ABI-encoded notice data

Callback function invoked by the coprocessor with computation outputs

function coprocessorCallbackOutputsOnly(bytes32 _machineHash, bytes32 _payloadHash, bytes[] calldata outputs)
    external
    override;

Parameters

Name	Type	Description
`_machineHash`	`bytes32`	The hash of the machine that processed the task
`_payloadHash`	`bytes32`	The hash of the input payload
`outputs`	`bytes[]`	Array of ABI-encoded outputs from the coprocessor

Executes a voucher

This function decodes and executes a voucher with the specified parameters

function _executeVoucher(bytes calldata arguments) internal;

Parameters

Name	Type	Description
`arguments`	`bytes`	ABI-encoded arguments containing the destination, value, and payload

Executes a delegatecall voucher

This function decodes and executes a delegatecall voucher with the specified parameters

function _executeDelegateCallVoucher(bytes calldata arguments) internal;

Parameters

Name	Type	Description
`arguments`	`bytes`	ABI-encoded arguments

error UnauthorizedCaller(address caller);

error InvalidOutputLength(uint256 length);

error ComputationNotFound(bytes32 payloadHash);

error InsufficientFunds(uint256 value, uint256 balance);

error MachineHashMismatch(bytes32 current, bytes32 expected);

error InvalidOutputSelector(bytes4 selector, bytes4 expected);