# Interfaces

## IERC20

### transferFrom

```solidity
function transferFrom(address from, address to, uint256 amount) external returns (bool)
```

### transfer

```solidity
function transfer(address to, uint256 amount) external returns (bool)
```

### approve

```solidity
function approve(address spender, uint256 amount) external returns (bool)
```

### balanceOf

```solidity
function balanceOf(address owner) external returns (uint256)
```

### totalSupply

```solidity
function totalSupply() external view returns (uint256)
```

## IRealityETH\_v3\_0

### askQuestionWithMinBond

```solidity
function askQuestionWithMinBond(uint256 template_id, string question, address arbitrator, uint32 timeout, uint32 opening_ts, uint256 nonce, uint256 min_bond) external payable returns (bytes32)
```

### resultForOnceSettled

```solidity
function resultForOnceSettled(bytes32 question_id) external view returns (bytes32)
```

### getContentHash

```solidity
function getContentHash(bytes32 question_id) external view returns (bytes32)
```

### getTimeout

```solidity
function getTimeout(bytes32 question_id) external view returns (uint32)
```

### submitAnswer

```solidity
function submitAnswer(bytes32 question_id, bytes32 answer, uint256 max_previous) external payable
```

## IConditionalTokens

### payoutNumerators

```solidity
function payoutNumerators(bytes32 conditionId, uint256 index) external view returns (uint256)
```

### payoutDenominator

```solidity
function payoutDenominator(bytes32 conditionId) external view returns (uint256)
```

### prepareCondition

```solidity
function prepareCondition(address oracle, bytes32 questionId, uint256 outcomeSlotCount) external
```

### reportPayouts

```solidity
function reportPayouts(bytes32 questionId, uint256[] payouts) external
```

### splitPosition

```solidity
function splitPosition(address collateralToken, bytes32 parentCollectionId, bytes32 conditionId, uint256[] partition, uint256 amount) external
```

### mergePositions

```solidity
function mergePositions(address collateralToken, bytes32 parentCollectionId, bytes32 conditionId, uint256[] partition, uint256 amount) external
```

### redeemPositions

```solidity
function redeemPositions(address collateralToken, bytes32 parentCollectionId, bytes32 conditionId, uint256[] indexSets) external
```

### getConditionId

```solidity
function getConditionId(address oracle, bytes32 questionId, uint256 outcomeSlotCount) external pure returns (bytes32)
```

### getCollectionId

```solidity
function getCollectionId(bytes32 parentCollectionId, bytes32 conditionId, uint256 indexSet) external view returns (bytes32)
```

### getPositionId

```solidity
function getPositionId(address collateralToken, bytes32 collectionId) external pure returns (uint256)
```

### getOutcomeSlotCount

```solidity
function getOutcomeSlotCount(bytes32 conditionId) external view returns (uint256)
```

### safeTransferFrom

```solidity
function safeTransferFrom(address from, address to, uint256 id, uint256 value, bytes data) external
```

### balanceOf

```solidity
function balanceOf(address owner, uint256 id) external view returns (uint256)
```

## IWrapped1155Factory

### requireWrapped1155

```solidity
function requireWrapped1155(address multiToken, uint256 tokenId, bytes data) external returns (contract IERC20)
```

### unwrap

```solidity
function unwrap(address multiToken, uint256 tokenId, uint256 amount, address recipient, bytes data) external
```


---

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