forked from cerc-io/laconicd-deprecated
29d3abcf09
* Reuse cosmos-sdk client library to create keyring Extracted from https://github.com/evmos/ethermint/pull/1168 Cleanup cmd code for easier to migration to cosmos-sdk 0.46 * Update cosmos-sdk v0.46 prepare for implementing cosmos-sdk feemarket and tx prioritization changelog refactor cmd use sdkmath fix lint fix unit tests fix unit test genesis fix unit tests fix unit test env setup fix unit tests fix unit tests register PrivKey impl fix extension options fix lint fix unit tests make HandlerOption.Validate private gofumpt fix msg response decoding fix sim test bump cosmos-sdk version fix sim test sdk 46 fix unit test fix unit tests update ibc-go
36 lines
905 B
Go
36 lines
905 B
Go
package types
|
|
|
|
import (
|
|
fmt "fmt"
|
|
math "math"
|
|
"math/big"
|
|
|
|
sdkmath "cosmossdk.io/math"
|
|
|
|
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
|
|
)
|
|
|
|
const maxBitLen = 256
|
|
|
|
// SafeInt64 checks for overflows while casting a uint64 to int64 value.
|
|
func SafeInt64(value uint64) (int64, error) {
|
|
if value > uint64(math.MaxInt64) {
|
|
return 0, sdkerrors.Wrapf(sdkerrors.ErrInvalidHeight, "uint64 value %v cannot exceed %v", value, int64(math.MaxInt64))
|
|
}
|
|
|
|
return int64(value), nil
|
|
}
|
|
|
|
// SafeNewIntFromBigInt constructs Int from big.Int, return error if more than 256bits
|
|
func SafeNewIntFromBigInt(i *big.Int) (sdkmath.Int, error) {
|
|
if !IsValidInt256(i) {
|
|
return sdkmath.NewInt(0), fmt.Errorf("big int out of bound: %s", i)
|
|
}
|
|
return sdkmath.NewIntFromBigInt(i), nil
|
|
}
|
|
|
|
// IsValidInt256 check the bound of 256 bit number
|
|
func IsValidInt256(i *big.Int) bool {
|
|
return i == nil || i.BitLen() <= maxBitLen
|
|
}
|