github.com/kapoio/go-kapoio@v1.9.7/accounts/abi/numbers.go (about) 1 // Copyright 2015 The go-ethereum Authors 2 // This file is part of the go-ethereum library. 3 // 4 // The go-ethereum library is free software: you can redistribute it and/or modify 5 // it under the terms of the GNU Lesser General Public License as published by 6 // the Free Software Foundation, either version 3 of the License, or 7 // (at your option) any later version. 8 // 9 // The go-ethereum library is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU Lesser General Public License for more details. 13 // 14 // You should have received a copy of the GNU Lesser General Public License 15 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>. 16 17 package abi 18 19 import ( 20 "math/big" 21 "reflect" 22 23 "github.com/ethereum/go-ethereum/common" 24 "github.com/ethereum/go-ethereum/common/math" 25 ) 26 27 var ( 28 bigT = reflect.TypeOf(&big.Int{}) 29 derefbigT = reflect.TypeOf(big.Int{}) 30 uint8T = reflect.TypeOf(uint8(0)) 31 uint16T = reflect.TypeOf(uint16(0)) 32 uint32T = reflect.TypeOf(uint32(0)) 33 uint64T = reflect.TypeOf(uint64(0)) 34 int8T = reflect.TypeOf(int8(0)) 35 int16T = reflect.TypeOf(int16(0)) 36 int32T = reflect.TypeOf(int32(0)) 37 int64T = reflect.TypeOf(int64(0)) 38 addressT = reflect.TypeOf(common.Address{}) 39 ) 40 41 // U256 converts a big Int into a 256bit EVM number. 42 func U256(n *big.Int) []byte { 43 return math.PaddedBigBytes(math.U256(n), 32) 44 }