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
96 lines
2.5 KiB
Go
96 lines
2.5 KiB
Go
package types
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import (
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fmt "fmt"
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math "math"
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sdk "github.com/cosmos/cosmos-sdk/types"
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)
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// ErrorNegativeGasConsumed defines an error thrown when the amount of gas refunded results in a
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// negative gas consumed amount.
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// Copied from cosmos-sdk
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type ErrorNegativeGasConsumed struct {
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Descriptor string
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}
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// ErrorGasOverflow defines an error thrown when an action results gas consumption
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// unsigned integer overflow.
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type ErrorGasOverflow struct {
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Descriptor string
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}
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type infiniteGasMeterWithLimit struct {
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consumed sdk.Gas
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limit sdk.Gas
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}
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// NewInfiniteGasMeterWithLimit returns a reference to a new infiniteGasMeter.
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func NewInfiniteGasMeterWithLimit(limit sdk.Gas) sdk.GasMeter {
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return &infiniteGasMeterWithLimit{
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consumed: 0,
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limit: limit,
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}
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}
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func (g *infiniteGasMeterWithLimit) GasConsumed() sdk.Gas {
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return g.consumed
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}
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func (g *infiniteGasMeterWithLimit) GasConsumedToLimit() sdk.Gas {
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return g.consumed
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}
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func (g *infiniteGasMeterWithLimit) Limit() sdk.Gas {
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return g.limit
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}
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// addUint64Overflow performs the addition operation on two uint64 integers and
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// returns a boolean on whether or not the result overflows.
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func addUint64Overflow(a, b uint64) (uint64, bool) {
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if math.MaxUint64-a < b {
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return 0, true
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}
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return a + b, false
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}
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func (g *infiniteGasMeterWithLimit) ConsumeGas(amount sdk.Gas, descriptor string) {
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var overflow bool
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// TODO: Should we set the consumed field after overflow checking?
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g.consumed, overflow = addUint64Overflow(g.consumed, amount)
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if overflow {
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panic(ErrorGasOverflow{descriptor})
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}
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}
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// RefundGas will deduct the given amount from the gas consumed. If the amount is greater than the
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// gas consumed, the function will panic.
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//
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// Use case: This functionality enables refunding gas to the trasaction or block gas pools so that
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// EVM-compatible chains can fully support the go-ethereum StateDb interface.
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// See https://github.com/cosmos/cosmos-sdk/pull/9403 for reference.
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func (g *infiniteGasMeterWithLimit) RefundGas(amount sdk.Gas, descriptor string) {
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if g.consumed < amount {
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panic(ErrorNegativeGasConsumed{Descriptor: descriptor})
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}
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g.consumed -= amount
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}
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func (g *infiniteGasMeterWithLimit) IsPastLimit() bool {
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return false
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}
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func (g *infiniteGasMeterWithLimit) IsOutOfGas() bool {
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return false
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}
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func (g *infiniteGasMeterWithLimit) String() string {
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return fmt.Sprintf("InfiniteGasMeter:\n consumed: %d", g.consumed)
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}
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func (g *infiniteGasMeterWithLimit) GasRemaining() sdk.Gas {
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return math.MaxUint64
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}
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