get_latest_blockhash.go

package rpc

import (
	"context"
)

// GetLatestBlockhashResponse is a full raw rpc response of `getLatestBlockhash`
type GetLatestBlockhashResponse struct {
	GeneralResponse
	Result GetLatestBlockhashResult `json:"result"`
}

// GetLatestBlockhashResult is a part of raw rpc response of `getLatestBlockhash`
type GetLatestBlockhashResult struct {
	Context Context                 `json:"context"`
	Value   GetLatestBlockhashValue `json:"value"`
}

// GetLatestBlockhashResult is a part of raw rpc response of `getLatestBlockhash`
type GetLatestBlockhashValue struct {
	Blockhash              string `json:"blockhash"`
	LatestValidBlockHeight uint64 `json:"lastValidBlockHeight"`
}

// GetLatestBlockhashConfig is a option config for `getLatestBlockhash`
type GetLatestBlockhashConfig struct {
	Commitment Commitment `json:"commitment,omitempty"`
}

// NEW: This method is only available in solana-core v1.9 or newer. Please use getRecentBlockhash for solana-core v1.8
// GetLatestBlockhash returns the latest blockhash
func (c *RpcClient) GetLatestBlockhash(ctx context.Context) (GetLatestBlockhashResponse, error) {
	return c.processGetLatestBlockhash(c.Call(ctx, "getLatestBlockhash"))
}

// NEW: This method is only available in solana-core v1.9 or newer. Please use getRecentBlockhash for solana-core v1.8
// GetLatestBlockhashWithConfig returns the latest blockhash
func (c *RpcClient) GetLatestBlockhashWithConfig(ctx context.Context, cfg GetLatestBlockhashConfig) (GetLatestBlockhashResponse, error) {
	return c.processGetLatestBlockhash(c.Call(ctx, "getLatestBlockhash", cfg))
}

func (c *RpcClient) processGetLatestBlockhash(body []byte, rpcErr error) (res GetLatestBlockhashResponse, err error) {
	err = c.processRpcCall(body, rpcErr, &res)
	return
}