Crate pallet_evm_precompile_balances_erc20

Precompile to interact with pallet_balances instances using the ERC20 interface standard.

Structs

Erc20BalancesPrecompile

Precompile exposing a pallet_balance as an ERC20. Multiple precompiles can support instances of pallet_balance. The precompile uses an additional storage to store approvals.

Enums

Erc20BalancesPrecompileCall

Constants

SELECTOR_LOG_APPROVAL

Solidity selector of the Approval log, which is the Keccak of the Log signature.

SELECTOR_LOG_DEPOSIT

Solidity selector of the Deposit log, which is the Keccak of the Log signature.

SELECTOR_LOG_TRANSFER

Solidity selector of the Transfer log, which is the Keccak of the Log signature.

SELECTOR_LOG_WITHDRAWAL

Solidity selector of the Withdraw log, which is the Keccak of the Log signature.

Traits

Erc20Metadata

Metadata of an ERC20 token.

InstanceToPrefix

Associates pallet Instance to a prefix used for the Approves storage. This trait is implemented for () and the 16 substrate Instance.

Type Aliases

ApprovesStorage

Storage type used to store approvals, since pallet_balances doesn’t handle this behavior. (Owner => Allowed => Amount)

BalanceOf

Alias for the Balance type for the provided Runtime and Instance.

NoncesStorage

Storage type used to store EIP2612 nonces.