// +build none //sed -e 's/_N_/Hash/g' -e 's/_S_/32/g' -e '1d' types_template.go | gofmt -w hash.go package common import "math/big" type _N_ [_S_]byte func BytesTo_N_(b []byte) _N_ { var h _N_ h.SetBytes(b) return h } func StringTo_N_(s string) _N_ { return BytesTo_N_([]byte(s)) } func BigTo_N_(b *big.Int) _N_ { return BytesTo_N_(b.Bytes()) } func HexTo_N_(s string) _N_ { return BytesTo_N_(FromHex(s)) } // Don't use the default 'String' method in case we want to overwrite // Get the string representation of the underlying hash func (h _N_) Str() string { return string(h[:]) } func (h _N_) Bytes() []byte { return h[:] } func (h _N_) Big() *big.Int { return Bytes2Big(h[:]) } func (h _N_) Hex() string { return "0x" + Bytes2Hex(h[:]) } // Sets the hash to the value of b. If b is larger than len(h) it will panic func (h *_N_) SetBytes(b []byte) { // Use the right most bytes if len(b) > len(h) { b = b[len(b)-_S_:] } // Reverse the loop for i := len(b) - 1; i >= 0; i-- { h[_S_-len(b)+i] = b[i] } } // Set string `s` to h. If s is larger than len(h) it will panic func (h *_N_) SetString(s string) { h.SetBytes([]byte(s)) } // Sets h to other func (h *_N_) Set(other _N_) { for i, v := range other { h[i] = v } }