40 lines
732 B
Go
40 lines
732 B
Go
package types
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import (
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"fmt"
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"math/big"
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"strings"
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"github.com/filecoin-project/lotus/build"
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)
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type FIL BigInt
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func (f FIL) String() string {
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r := new(big.Rat).SetFrac(f.Int, big.NewInt(build.FilecoinPrecision))
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return strings.TrimRight(r.FloatString(18), "0.")
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}
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func (f FIL) Format(s fmt.State, ch rune) {
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switch ch {
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case 's', 'v':
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fmt.Fprint(s, f.String())
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default:
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f.Int.Format(s, ch)
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}
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}
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func ParseFIL(s string) (FIL, error) {
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r, ok := new(big.Rat).SetString(s)
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if !ok {
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return FIL{}, fmt.Errorf("failed to parse %q as a decimal number", s)
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}
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r = r.Mul(r, big.NewRat(build.FilecoinPrecision, 1))
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if !r.IsInt() {
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return FIL{}, fmt.Errorf("invalid FIL value: %q", s)
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}
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return FIL{r.Num()}, nil
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}
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