public static bool InitGenesisBlock(byte[] rawHeader, byte[] pubKeyList)
{
if (IsGenesised() != 0)
{
return(false);
}
Header header = deserializHeader(rawHeader);
Runtime.Notify("header deserialize");
if (pubKeyList.Length % MCCHAIN_PUBKEY_LEN != 0)
{
Runtime.Notify("Length of pubKeyList is illegal");
return(false);
}
BookKeeper bookKeeper = verifyPubkey(pubKeyList);
Runtime.Notify("header deserialize");
if (header.nextBookKeeper != bookKeeper.nextBookKeeper)
{
Runtime.Notify("NextBookers illegal");
}
Storage.Put(latestHeightPrefix, header.height);
Storage.Put(latestBookKeeperHeightPrefix, header.height);
Storage.Put("IsInitGenesisBlock", 1);
Storage.Put(mCBlockHeadersPrefix.Concat(header.height.AsByteArray()), rawHeader);
Map <BigInteger, BigInteger> MCKeeperHeight = new Map <BigInteger, BigInteger>();
MCKeeperHeight[0] = header.height;
Storage.Put(mCKeeperHeightPrefix, MCKeeperHeight.Serialize());
Storage.Put(mCKeeperPubKeysPrefix.Concat(header.height.AsByteArray()), bookKeeper.keepers.Serialize());
InitGenesisBlockEvent(header.height, rawHeader);
return(true);
}
public static bool ChangeBookKeeper(byte[] rawHeader, byte[] pubKeyList, byte[] signList)
{
Header header = deserializHeader(rawHeader);
if (header.height == 0)
{
return(InitGenesisBlock(rawHeader, pubKeyList));
}
BigInteger latestHeight = Storage.Get(latestHeightPrefix).Concat(new byte[] { 0x00 }).AsBigInteger();
if (latestHeight > header.height)
{
Runtime.Notify("The height of header illegal");
return(false);
}
if (header.nextBookKeeper.Length != 20)
{
Runtime.Notify("The nextBookKeeper of header is illegal");
return(false);
}
BigInteger latestBookKeeperHeight = Storage.Get(latestBookKeeperHeightPrefix).Concat(new byte[] { 0x00 }).AsBigInteger();
byte[][] keepers = (byte[][])Storage.Get(mCKeeperPubKeysPrefix.Concat(latestBookKeeperHeight.AsByteArray())).Deserialize();
int n = keepers.Length;
int m = n - (n - 1) / 3;
if (!verifySig(rawHeader, signList, keepers, m))
{
Runtime.Notify("Verify signature failed");
return(false);
}
BookKeeper bookKeeper = verifyPubkey(pubKeyList);
if (header.nextBookKeeper != bookKeeper.nextBookKeeper)
{
Runtime.Notify("NextBookers illegal");
return(false);
}
Storage.Put(latestHeightPrefix, header.height);
Storage.Put(latestBookKeeperHeightPrefix, header.height);
Storage.Put(mCBlockHeadersPrefix.Concat(header.height.AsByteArray()), rawHeader);
Map <BigInteger, BigInteger> MCKeeperHeight = (Map <BigInteger, BigInteger>)Storage.Get(mCKeeperHeightPrefix).Deserialize();
MCKeeperHeight[MCKeeperHeight.Keys.Length] = header.height;
MCKeeperHeight = RemoveOutdateHeight(MCKeeperHeight);
Storage.Put(mCKeeperHeightPrefix, MCKeeperHeight.Serialize());
Storage.Put(mCKeeperPubKeysPrefix.Concat(header.height.AsByteArray()), bookKeeper.keepers.Serialize());
ChangeBookKeeperEvent(header.height, rawHeader);
return(true);
}
public static bool InitGenesisBlock(byte[] rawHeader, byte[] pubKeyList)
{
if (IsGenesised() != 0)
{
return(false);
}
Header header = deserializHeader(rawHeader);
Runtime.Notify("header deserialize");
if (pubKeyList.Length % MCCHAIN_PUBKEY_LEN != 0)
{
Runtime.Notify("Length of pubKeyList is illegal");
return(false);
}
BookKeeper bookKeeper = verifyPubkey(pubKeyList);
Runtime.Notify("header deserialize");
if (header.nextBookKeeper != bookKeeper.nextBookKeeper)
{
Runtime.Notify("NextBookers illegal");
}
//更新最新区块高度
Storage.Put(latestHeightPrefix, header.height);
//更新共识公钥高度
Storage.Put(latestBookKeeperHeightPrefix, header.height);
//更新创世块创建状态 TODO:上线可切换为0
Storage.Put("IsInitGenesisBlock", 1);
//存放完整区块头
Map <BigInteger, Header> MCBlockHeader = new Map <BigInteger, Header>();
MCBlockHeader[header.height] = header;
Storage.Put(mCBlockHeadersPrefix, MCBlockHeader.Serialize());
//存放关键区块头高度
Map <BigInteger, BigInteger> MCKeeperHeight = new Map <BigInteger, BigInteger>();
MCKeeperHeight[0] = header.height;
Storage.Put(mCKeeperHeightPrefix, MCKeeperHeight.Serialize());
//存放关键区块头公钥
Map <BigInteger, object[]> MCKeeperPubKeys = new Map <BigInteger, object[]>();
MCKeeperPubKeys[header.height] = bookKeeper.keepers;
Storage.Put(mCKeeperPubKeysPrefix, MCKeeperPubKeys.Serialize());
//触发创世区块事件
InitGenesisBlockEvent(header.height, rawHeader);
return(true);
}
private static BookKeeper getBookKeeper(int keyLength, int m, byte[] pubKeyList)
{
byte[] buff = new byte[] { };
buff = WriteUint16(keyLength, buff);
byte[][] keepers = new byte[keyLength][];
for (int i = 0; i < keyLength; i++)
{
buff = WriteVarBytes(buff, compressMCPubKey(pubKeyList.Range(i * MCCHAIN_PUBKEY_LEN, MCCHAIN_PUBKEY_LEN)));
byte[] hash = bytesToBytes32(SmartContract.Sha256((pubKeyList.Range(i * MCCHAIN_PUBKEY_LEN, MCCHAIN_PUBKEY_LEN).Range(3, 64))));
keepers[i] = hash;
}
BookKeeper bookKeeper = new BookKeeper();
buff = WriteUint16(m, buff);
bookKeeper.nextBookKeeper = bytesToBytes20(Hash160(buff));
bookKeeper.keepers = keepers;
return(bookKeeper);
}
public static bool ChangeBookKeeper(byte[] rawHeader, byte[] pubKeyList, byte[] signList)
{
Header header = deserializHeader(rawHeader);
if (header.height == 0)
{
return(InitGenesisBlock(rawHeader, pubKeyList));
}
BigInteger latestHeight = Storage.Get(latestHeightPrefix).Concat(new byte[] { 0x00 }).AsBigInteger();
if (latestHeight > header.height)
{
Runtime.Notify("The height of header illegal");
return(false);
}
if (header.nextBookKeeper.Length != 20)
{
Runtime.Notify("The nextBookKeeper of header is illegal");
return(false);
}
Map <BigInteger, object[]> MCKeeperPubKeys = (Map <BigInteger, object[]>)Storage.Get(mCKeeperPubKeysPrefix).Deserialize();
BigInteger latestBookKeeperHeight = Storage.Get(latestBookKeeperHeightPrefix).AsBigInteger();
object[] McPubKeys = MCKeeperPubKeys[latestBookKeeperHeight];
int n = McPubKeys.Length;
int m = n - (n - 1) / 3;
if (!verifySig(rawHeader, signList, McPubKeys, m))
{
Runtime.Notify("Verify signature failed");
return(false);
}
BookKeeper bookKeeper = verifyPubkey(pubKeyList);
if (header.nextBookKeeper != bookKeeper.nextBookKeeper)
{
Runtime.Notify("NextBookers illegal");
return(false);
}
//更新最新区块高度
Storage.Put(latestHeightPrefix, header.height);
//更新共识公钥高度
Storage.Put(latestBookKeeperHeightPrefix, header.height);
//存放完整区块头
Map <BigInteger, Header> MCBlockHeader = (Map <BigInteger, Header>)Storage.Get(mCBlockHeadersPrefix).Deserialize();
MCBlockHeader[header.height] = header;
Storage.Put(mCBlockHeadersPrefix, MCBlockHeader.Serialize());
//更新关键区块头高度
Map <BigInteger, BigInteger> MCKeeperHeight = (Map <BigInteger, BigInteger>)Storage.Get(mCKeeperHeightPrefix).Deserialize();
MCKeeperHeight[MCKeeperHeight.Keys.Length] = header.height;
Storage.Put(mCKeeperHeightPrefix, MCKeeperHeight.Serialize());
//更新关键区块头公钥
MCKeeperPubKeys[header.height] = bookKeeper.keepers;
Storage.Put(mCKeeperPubKeysPrefix, MCKeeperPubKeys.Serialize());
//触发关键区块头事件
ChangeBookKeeperEvent(header.height, rawHeader);
return(true);
}
