1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
crate::ix!();
//-------------------------------------------[.cpp/bitcoin/src/test/util/mining.h]
//-------------------------------------------[.cpp/bitcoin/src/test/util/mining.cpp]
/**
| RPC-like helper function, returns
| the generated coin
|
*/
pub fn generatetoaddress(
node: &NodeContext,
address: &String) -> TxIn {
todo!();
/*
const auto dest = DecodeDestination(address);
assert(IsValidDestination(dest));
const auto coinbase_script = GetScriptForDestination(dest);
return MineBlock(node, coinbase_script);
*/
}
/**
| Create a blockchain, starting from
| genesis
|
*/
pub fn create_block_chain(
total_height: usize,
params: &ChainParams) -> Vec<Arc<Block>> {
todo!();
/*
std::vector<std::shared_ptr<CBlock>> ret{total_height};
auto time{params.GenesisBlock().nTime};
for (size_t height{0}; height < total_height; ++height) {
CBlock& block{*(ret.at(height) = std::make_shared<CBlock>())};
CMutableTransaction coinbase_tx;
coinbase_tx.vin.resize(1);
coinbase_tx.vin[0].prevout.SetNull();
coinbase_tx.vout.resize(1);
coinbase_tx.vout[0].scriptPubKey = P2WSH_OP_TRUE;
coinbase_tx.vout[0].nValue = GetBlockSubsidy(height + 1, params.GetConsensus());
coinbase_tx.vin[0].scriptSig = CScript() << (height + 1) << OP_0;
block.vtx = {MakeTransactionRef(std::move(coinbase_tx))};
block.nVersion = VERSIONBITS_LAST_OLD_BLOCK_VERSION;
block.hashPrevBlock = (height >= 1 ? *ret.at(height - 1) : params.GenesisBlock()).GetHash();
block.hashMerkleRoot = BlockMerkleRoot(block);
block.nTime = ++time;
block.nBits = params.GenesisBlock().nBits;
block.nNonce = 0;
while (!CheckProofOfWork(block.GetHash(), block.nBits, params.GetConsensus())) {
++block.nNonce;
assert(block.nNonce);
}
}
return ret;
*/
}
/**
| Returns the generated coin
|
*/
pub fn mine_block(
node: &NodeContext,
coinbase_script_pub_key: &Script) -> TxIn {
todo!();
/*
auto block = PrepareBlock(node, coinbase_scriptPubKey);
while (!CheckProofOfWork(block->GetHash(), block->nBits, Params().GetConsensus())) {
++block->nNonce;
assert(block->nNonce);
}
bool processed{Assert(node.chainman)->ProcessNewBlock(Params(), block, true, nullptr)};
assert(processed);
return CTxIn{block->vtx[0]->GetHash(), 0};
*/
}
/**
| Prepare a block to be mined
|
*/
pub fn prepare_block(
node: &NodeContext,
coinbase_script_pub_key: &Script) -> Arc<Block> {
todo!();
/*
auto block = std::make_shared<CBlock>(
BlockAssembler{Assert(node.chainman)->ActiveChainstate(), *Assert(node.mempool), Params()}
.CreateNewBlock(coinbase_scriptPubKey)
->block);
LOCK(cs_main);
block->nTime = Assert(node.chainman)->ActiveChain().Tip()->GetMedianTimePast() + 1;
block->hashMerkleRoot = BlockMerkleRoot(*block);
return block;
*/
}