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address.go
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address.go
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package types
import (
"fmt"
"github.com/ethereum/go-ethereum/common"
)
// InternalEVMAddress is a type alias of common.Address to represent an address
// on the Black EVM.
type InternalEVMAddress struct {
common.Address
}
// IsNil returns true when the address is the 0 address
func (a InternalEVMAddress) IsNil() bool {
return a.Address == common.Address{}
}
// NewInternalEVMAddress returns a new InternalEVMAddress from a common.Address.
func NewInternalEVMAddress(addr common.Address) InternalEVMAddress {
return InternalEVMAddress{
Address: addr,
}
}
// BytesToInternalEVMAddress creates an InternalEVMAddress from a slice of bytes
func BytesToInternalEVMAddress(bz []byte) InternalEVMAddress {
return NewInternalEVMAddress(common.BytesToAddress(bz))
}
// NewInternalEVMAddressFromString returns a new InternalEVMAddress from a hex
// string. Returns an error if hex string is invalid.
func NewInternalEVMAddressFromString(addrStr string) (InternalEVMAddress, error) {
if !common.IsHexAddress(addrStr) {
return InternalEVMAddress{}, fmt.Errorf("string is not a hex address %v", addrStr)
}
// common.HexToAddress ignores hex decoding errors
addr := common.HexToAddress(addrStr)
return NewInternalEVMAddress(addr), nil
}