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https://github.com/trezor/blockbook.git
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b14641d979
* feat: support new alternative_estimate_fee option - mempoolspacemedian * chore: introduce a fallback median fee rate in case it comes zero from mempool space response * chore: add and test util function for rounding to significant digits * chore: use rounding of medianFee to 3 significant digits * chore: make the new alternative_estimate_fee be configurable, change its name from Median to Block * chore: return 1000 sats/kB fee for MempoolSpaceBlock estimation method when block not identified * chore: make the fallback fee rate configurable, improve tests, improve function names
45 lines
1.1 KiB
Go
45 lines
1.1 KiB
Go
//go:build unittest
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package common
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import (
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"math"
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"strconv"
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"testing"
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)
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func Test_RoundToSignificantDigits(t *testing.T) {
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type testCase struct {
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input float64
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digits int
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want float64
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}
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tests := []testCase{
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{input: 1234.5678, digits: 3, want: 1230},
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{input: 1234.5678, digits: 4, want: 1235},
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{input: 1234.5678, digits: 5, want: 1234.6},
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{input: 0.0123456, digits: 3, want: 0.0123},
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{input: 98765.4321, digits: 3, want: 98800},
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{input: 1.99999, digits: 3, want: 2.00},
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{input: 999.999, digits: 3, want: 1000},
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{input: 0.0006789, digits: 3, want: 0.000679},
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{input: 5.123456, digits: 3, want: 5.12},
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{input: 4.456789, digits: 3, want: 4.46},
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{input: 3.789012, digits: 3, want: 3.79},
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{input: 2.012345, digits: 3, want: 2.01},
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}
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for _, tt := range tests {
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t.Run(strconv.FormatFloat(tt.input, 'f', -1, 64), func(t *testing.T) {
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got := RoundToSignificantDigits(tt.input, tt.digits)
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// Use relative epsilon for float comparison
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epsilon := 1e-9
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if math.Abs(got-tt.want) > epsilon {
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t.Errorf("RoundToSignificantDigits(%v, %d) = %v, want %v", tt.input, tt.digits, got, tt.want)
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}
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})
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}
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}
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