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getLatestBlockhash.go
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getLatestBlockhash.go
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// Copyright 2021 github.com/gagliardetto
// This file has been modified by github.com/gagliardetto
//
// Copyright 2020 dfuse Platform Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package rpc
import (
"context"
"github.com/rizkypsr/solana-go"
)
// Returns the latest blockhash.
//
// **NEW: This method is only available in solana-core v1.9 or newer. Please use
// `getRecentBlockhash` for solana-core v1.8**
func (cl *Client) GetLatestBlockhash(
ctx context.Context,
commitment CommitmentType, // optional
) (out *GetLatestBlockhashResult, err error) {
params := []interface{}{}
if commitment != "" {
params = append(params, M{"commitment": commitment})
}
err = cl.rpcClient.CallForInto(ctx, &out, "getLatestBlockhash", params)
return
}
type GetLatestBlockhashResult struct {
RPCContext
Value *LatestBlockhashResult `json:"value"`
}
type LatestBlockhashResult struct {
Blockhash solana.Hash `json:"blockhash"`
LastValidBlockHeight uint64 `json:"lastValidBlockHeight"` // Slot.
}