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fix: paying 50% more than base gas price to buffer EIP1559 gas price increase #1672

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merged 2 commits into from
Jan 31, 2024
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fix: paying 50% more than base gas price to buffer EIP1559 gas price increase #1672

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paying 50% more than base gas price to buffer block by block gas pric…
brewmaster012 Jan 31, 2024
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udpate changelog
brewmaster012 Jan 31, 2024
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8 changes: 7 additions & 1 deletion zetaclient/broadcast.go
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,12 @@ const (
DefaultBaseGasPrice = 1_000_000
)

var (
// paying 50% more than the current base gas price to buffer for potential block-by-block
// gas price increase due to EIP1559 feemarket on ZetaChain
bufferMultiplier = sdktypes.MustNewDecFromStr("1.5")
)

// Broadcast Broadcasts tx to metachain. Returns txHash and error
func (b *ZetaCoreBridge) Broadcast(gaslimit uint64, authzWrappedMsg sdktypes.Msg, authzSigner AuthZSigner) (string, error) {
b.broadcastLock.Lock()
Expand All @@ -44,7 +50,7 @@ func (b *ZetaCoreBridge) Broadcast(gaslimit uint64, authzWrappedMsg sdktypes.Msg
}
reductionRate := sdktypes.MustNewDecFromStr(ante.GasPriceReductionRate)
// multiply gas price by the system tx reduction rate
adjustedBaseGasPrice := sdktypes.NewDec(baseGasPrice).Mul(reductionRate)
adjustedBaseGasPrice := sdktypes.NewDec(baseGasPrice).Mul(reductionRate).Mul(bufferMultiplier)

if blockHeight > b.blockHeight {
b.blockHeight = blockHeight
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