48 lines
850 B
Go
48 lines
850 B
Go
package api
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import (
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"encoding/json"
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"fmt"
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"math/big"
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"github.com/ethereum/go-ethereum/rpc/shared"
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)
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type WaitForBlockArgs struct {
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MinHeight int
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Timeout int // in seconds
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}
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func (args *WaitForBlockArgs) UnmarshalJSON(b []byte) (err error) {
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var obj []interface{}
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if err := json.Unmarshal(b, &obj); err != nil {
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return shared.NewDecodeParamError(err.Error())
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}
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if len(obj) > 2 {
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return fmt.Errorf("waitForArgs needs 0, 1, 2 arguments")
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}
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// default values when not provided
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args.MinHeight = -1
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args.Timeout = -1
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if len(obj) >= 1 {
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var minHeight *big.Int
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if minHeight, err = numString(obj[0]); err != nil {
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return err
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}
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args.MinHeight = int(minHeight.Int64())
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}
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if len(obj) >= 2 {
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timeout, err := numString(obj[1])
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if err != nil {
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return err
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}
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args.Timeout = int(timeout.Int64())
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}
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return nil
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}
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