github.com/crptec/blockbook@v0.3.2/tests/dbtestdata/fakechain.go (about)

     1  package dbtestdata
     2  
     3  import (
     4  	"blockbook/bchain"
     5  	"context"
     6  	"encoding/json"
     7  	"errors"
     8  	"math/big"
     9  )
    10  
    11  type fakeBlockChain struct {
    12  	*bchain.BaseChain
    13  }
    14  
    15  // NewFakeBlockChain returns mocked blockchain RPC interface used for tests
    16  func NewFakeBlockChain(parser bchain.BlockChainParser) (bchain.BlockChain, error) {
    17  	return &fakeBlockChain{&bchain.BaseChain{Parser: parser}}, nil
    18  }
    19  
    20  func (c *fakeBlockChain) CreateMempool(chain bchain.BlockChain) (bchain.Mempool, error) {
    21  	return bchain.NewMempoolBitcoinType(chain, 1, 1), nil
    22  }
    23  
    24  func (c *fakeBlockChain) Initialize() error {
    25  	return nil
    26  }
    27  
    28  func (c *fakeBlockChain) InitializeMempool(addrDescForOutpoint bchain.AddrDescForOutpointFunc, onNewTxAddr bchain.OnNewTxAddrFunc) error {
    29  	return nil
    30  }
    31  
    32  func (c *fakeBlockChain) Shutdown(ctx context.Context) error {
    33  	return nil
    34  }
    35  
    36  func (c *fakeBlockChain) IsTestnet() bool {
    37  	return true
    38  }
    39  
    40  func (c *fakeBlockChain) GetNetworkName() string {
    41  	return "fakecoin"
    42  }
    43  
    44  func (c *fakeBlockChain) GetCoinName() string {
    45  	return "Fakecoin"
    46  }
    47  
    48  func (c *fakeBlockChain) GetSubversion() string {
    49  	return "/Fakecoin:0.0.1/"
    50  }
    51  
    52  func (c *fakeBlockChain) GetChainInfo() (v *bchain.ChainInfo, err error) {
    53  	return &bchain.ChainInfo{
    54  		Chain:         c.GetNetworkName(),
    55  		Blocks:        2,
    56  		Headers:       2,
    57  		Bestblockhash: GetTestBitcoinTypeBlock2(c.Parser).BlockHeader.Hash,
    58  		Version:       "001001",
    59  		Subversion:    c.GetSubversion(),
    60  	}, nil
    61  }
    62  
    63  func (c *fakeBlockChain) GetBestBlockHash() (v string, err error) {
    64  	return GetTestBitcoinTypeBlock2(c.Parser).BlockHeader.Hash, nil
    65  }
    66  
    67  func (c *fakeBlockChain) GetBestBlockHeight() (v uint32, err error) {
    68  	return GetTestBitcoinTypeBlock2(c.Parser).BlockHeader.Height, nil
    69  }
    70  
    71  func (c *fakeBlockChain) GetBlockHash(height uint32) (v string, err error) {
    72  	b1 := GetTestBitcoinTypeBlock1(c.Parser)
    73  	if height == b1.BlockHeader.Height {
    74  		return b1.BlockHeader.Hash, nil
    75  	}
    76  	b2 := GetTestBitcoinTypeBlock2(c.Parser)
    77  	if height == b2.BlockHeader.Height {
    78  		return b2.BlockHeader.Hash, nil
    79  	}
    80  	return "", bchain.ErrBlockNotFound
    81  }
    82  
    83  func (c *fakeBlockChain) GetBlockHeader(hash string) (v *bchain.BlockHeader, err error) {
    84  	b1 := GetTestBitcoinTypeBlock1(c.Parser)
    85  	if hash == b1.BlockHeader.Hash {
    86  		return &b1.BlockHeader, nil
    87  	}
    88  	b2 := GetTestBitcoinTypeBlock2(c.Parser)
    89  	if hash == b2.BlockHeader.Hash {
    90  		return &b2.BlockHeader, nil
    91  	}
    92  	return nil, bchain.ErrBlockNotFound
    93  }
    94  
    95  func (c *fakeBlockChain) GetBlock(hash string, height uint32) (v *bchain.Block, err error) {
    96  	b1 := GetTestBitcoinTypeBlock1(c.Parser)
    97  	if hash == b1.BlockHeader.Hash || height == b1.BlockHeader.Height {
    98  		return b1, nil
    99  	}
   100  	b2 := GetTestBitcoinTypeBlock2(c.Parser)
   101  	if hash == b2.BlockHeader.Hash || height == b2.BlockHeader.Height {
   102  		return b2, nil
   103  	}
   104  	return nil, bchain.ErrBlockNotFound
   105  }
   106  
   107  func getBlockInfo(b *bchain.Block) *bchain.BlockInfo {
   108  	bi := &bchain.BlockInfo{
   109  		BlockHeader: b.BlockHeader,
   110  	}
   111  	for _, tx := range b.Txs {
   112  		bi.Txids = append(bi.Txids, tx.Txid)
   113  	}
   114  	return bi
   115  }
   116  
   117  func (c *fakeBlockChain) GetBlockInfo(hash string) (v *bchain.BlockInfo, err error) {
   118  	b1 := GetTestBitcoinTypeBlock1(c.Parser)
   119  	if hash == b1.BlockHeader.Hash {
   120  		return getBlockInfo(b1), nil
   121  	}
   122  	b2 := GetTestBitcoinTypeBlock2(c.Parser)
   123  	if hash == b2.BlockHeader.Hash {
   124  		return getBlockInfo(b2), nil
   125  	}
   126  	return nil, bchain.ErrBlockNotFound
   127  }
   128  
   129  func getTxInBlock(b *bchain.Block, txid string) *bchain.Tx {
   130  	for _, tx := range b.Txs {
   131  		if tx.Txid == txid {
   132  			return &tx
   133  		}
   134  	}
   135  	return nil
   136  }
   137  
   138  func (c *fakeBlockChain) GetTransaction(txid string) (v *bchain.Tx, err error) {
   139  	v = getTxInBlock(GetTestBitcoinTypeBlock1(c.Parser), txid)
   140  	if v == nil {
   141  		v = getTxInBlock(GetTestBitcoinTypeBlock2(c.Parser), txid)
   142  	}
   143  	if v != nil {
   144  		return v, nil
   145  	}
   146  	return nil, bchain.ErrTxNotFound
   147  }
   148  
   149  func (c *fakeBlockChain) GetTransactionSpecific(tx *bchain.Tx) (v json.RawMessage, err error) {
   150  	// txSpecific extends Tx with an additional Size and Vsize info
   151  	type txSpecific struct {
   152  		*bchain.Tx
   153  		Vsize int `json:"vsize,omitempty"`
   154  		Size  int `json:"size,omitempty"`
   155  	}
   156  
   157  	tx, err = c.GetTransaction(tx.Txid)
   158  	if err != nil {
   159  		return nil, err
   160  	}
   161  	txS := txSpecific{Tx: tx}
   162  
   163  	if tx.Txid == "7c3be24063f268aaa1ed81b64776798f56088757641a34fb156c4f51ed2e9d25" {
   164  		txS.Vsize = 206
   165  		txS.Size = 376
   166  	} else if tx.Txid == "fdd824a780cbb718eeb766eb05d83fdefc793a27082cd5e67f856d69798cf7db" {
   167  		txS.Size = 300
   168  	} else if tx.Txid == "05e2e48aeabdd9b75def7b48d756ba304713c2aba7b522bf9dbc893fc4231b07" {
   169  		txS.Hex = "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"
   170  	} else if tx.Txid == "3d90d15ed026dc45e19ffb52875ed18fa9e8012ad123d7f7212176e2b0ebdb71" {
   171  		txS.Vsize = 400
   172  	}
   173  
   174  	rm, err := json.Marshal(txS)
   175  	if err != nil {
   176  		return nil, err
   177  	}
   178  	return json.RawMessage(rm), nil
   179  }
   180  
   181  func (c *fakeBlockChain) GetTransactionForMempool(txid string) (v *bchain.Tx, err error) {
   182  	return nil, errors.New("Not implemented")
   183  }
   184  
   185  func (c *fakeBlockChain) EstimateSmartFee(blocks int, conservative bool) (v big.Int, err error) {
   186  	if conservative == false {
   187  		v.SetInt64(int64(blocks)*100 - 1)
   188  	} else {
   189  		v.SetInt64(int64(blocks) * 100)
   190  	}
   191  	return
   192  }
   193  
   194  func (c *fakeBlockChain) EstimateFee(blocks int) (v big.Int, err error) {
   195  	v.SetInt64(int64(blocks) * 200)
   196  	return
   197  }
   198  
   199  func (c *fakeBlockChain) SendRawTransaction(tx string) (v string, err error) {
   200  	if tx == "123456" {
   201  		return "9876", nil
   202  	}
   203  	return "", errors.New("Invalid data")
   204  }
   205  
   206  // GetChainParser returns parser for the blockchain
   207  func (c *fakeBlockChain) GetChainParser() bchain.BlockChainParser {
   208  	return c.Parser
   209  }
   210  
   211  // GetMempoolTransactions returns transactions in mempool
   212  func (c *fakeBlockChain) GetMempoolTransactions() ([]string, error) {
   213  	return nil, errors.New("Not implemented")
   214  }