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Added support of ErrBlockNotFound

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This commit is contained in:
Jakub Matys 2018-03-27 11:59:56 +02:00
parent 6a49abe8bb
commit d6920b6057
1 changed files with 20 additions and 1 deletions
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21
bchain/coins/zec/zcashrpc.go
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@ -77,13 +77,21 @@ type resEstimateFee struct {
// GetBlock returns block with given hash.
func (z *ZCashRPC) GetBlock(hash string, height uint32) (*bchain.Block, error) {
var err error
if hash == "" && height > 0 {
hash, err = z.GetBlockHash(height)
if err != nil {
return nil, err
}
}
glog.V(1).Info("rpc: getblock (verbosity=1) ", hash)
res := resGetBlockThin{}
req := untypedArrayParams{Method: "getblock"}
req.Params = append(req.Params, hash)
req.Params = append(req.Params, true)
err := z.Call(&req, &res)
err = z.Call(&req, &res)
if err != nil {
return nil, errors.Annotatef(err, "hash %v", hash)
@ -157,6 +165,9 @@ func (z *ZCashRPC) GetBlockHash(height uint32) (string, error) {
return "", errors.Annotatef(err, "height %v", height)
}
if res.Error != nil {
if isErrBlockNotFound(res.Error) {
return "", bchain.ErrBlockNotFound
}
return "", errors.Annotatef(res.Error, "height %v", height)
}
return res.Result, nil
@ -176,6 +187,9 @@ func (z *ZCashRPC) GetBlockHeader(hash string) (*bchain.BlockHeader, error) {
return nil, errors.Annotatef(err, "hash %v", hash)
}
if res.Error != nil {
if isErrBlockNotFound(res.Error) {
return nil, bchain.ErrBlockNotFound
}
return nil, errors.Annotatef(res.Error, "hash %v", hash)
}
return &res.Result, nil
@ -214,3 +228,8 @@ func (z *ZCashRPC) estimateFee(blocks int) (float64, error) {
func (z *ZCashRPC) GetMempoolEntry(txid string) (*bchain.MempoolEntry, error) {
return nil, errors.New("GetMempoolEntry: not implemented")
}
func isErrBlockNotFound(err *bchain.RPCError) bool {
return err.Message == "Block not found" ||
err.Message == "Block height out of range"
}