39 lines
748 B
Go
39 lines
748 B
Go
package params
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import (
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"encoding/json"
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"fmt"
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)
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type (
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// Params represents the JSON-RPC params.
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Params []Param
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)
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// FromAny allows to create Params for a slice of abstract values (by
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// JSON-marshaling them).
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func FromAny(arr []interface{}) (Params, error) {
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var res Params
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for i := range arr {
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b, err := json.Marshal(arr[i])
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if err != nil {
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return nil, fmt.Errorf("wrong parameter %d: %w", i, err)
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}
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res = append(res, Param{RawMessage: json.RawMessage(b)})
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}
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return res, nil
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}
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// Value returns the param struct for the given
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// index if it exists.
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func (p Params) Value(index int) *Param {
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if len(p) > index {
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return &p[index]
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}
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return nil
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}
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func (p Params) String() string {
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return fmt.Sprintf("%v", []Param(p))
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}
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