Fix GasEstimateGasPremium when there is only one message on chain
Signed-off-by: Jakub Sztandera <kubuxu@protocol.ai>
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@ -109,27 +109,22 @@ func (a *GasAPI) GasEstimateGasPremium(ctx context.Context, nblocksincl uint64,
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return prices[i].price.GreaterThan(prices[j].price)
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})
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// todo: account for how full blocks are
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at := build.BlockGasTarget * int64(blocks) / 2
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prev := big.Zero()
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premium := big.Zero()
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prev1, prev2 := big.Zero(), big.Zero()
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for _, price := range prices {
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prev1, prev2 = price.price, prev1
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at -= price.limit
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if at > 0 {
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prev = price.price
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continue
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}
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if prev.Equals(big.Zero()) {
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return types.BigAdd(price.price, big.NewInt(1)), nil
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}
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premium = types.BigAdd(big.Div(types.BigAdd(price.price, prev), types.NewInt(2)), big.NewInt(1))
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}
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if types.BigCmp(premium, big.Zero()) == 0 {
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premium := prev1
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if types.BigCmp(prev2, big.Zero()) != 0 {
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premium = big.Div(types.BigAdd(prev1, prev2), types.NewInt(2))
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}
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if types.BigCmp(premium, types.NewInt(MinGasPremium)) < 0 {
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switch nblocksincl {
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case 1:
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premium = types.NewInt(2 * MinGasPremium)
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@ -144,7 +139,7 @@ func (a *GasAPI) GasEstimateGasPremium(ctx context.Context, nblocksincl uint64,
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const precision = 32
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// mean 1, stddev 0.005 => 95% within +-1%
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noise := 1 + rand.NormFloat64()*0.005
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premium = types.BigMul(premium, types.NewInt(uint64(noise*(1<<precision))))
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premium = types.BigMul(premium, types.NewInt(uint64(noise*(1<<precision))+1))
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premium = types.BigDiv(premium, types.NewInt(1<<precision))
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return premium, nil
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}
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