Java Code Examples for org.ethereum.util.FastByteComparisons#equal()

The following examples show how to use org.ethereum.util.FastByteComparisons#equal() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ProgramExecutorImpl.java    From nuls-v2 with MIT License 6 votes vote down vote up 
@Override
public ProgramResult stop(long blockNumber, byte[] address, byte[] sender) {
    checkThread();
    AccountState accountState = repository.getAccountState(address);
    if (accountState == null) {
        return revert("can't find contract");
    }
    if (!FastByteComparisons.equal(sender, accountState.getOwner())) {
        return revert("only the owner can stop the contract");
    }
    BigInteger balance = getTotalBalance(address, null);
    if (BigInteger.ZERO.compareTo(balance) != 0) {
        return revert("contract balance is not zero");
    }
    if (BigInteger.ZERO.compareTo(accountState.getNonce()) >= 0) {
        return revert("contract has stopped");
    }

    this.blockNumber = blockNumber;
    repository.setNonce(address, BigInteger.ZERO);

    ProgramResult programResult = new ProgramResult();

    return programResult;
}
Example 2
Source File: ProgramExecutorImpl.java    From nuls with MIT License 6 votes vote down vote up 
@Override
public ProgramResult stop(byte[] address, byte[] sender) {
    checkThread();
    AccountState accountState = repository.getAccountState(address);
    if (accountState == null) {
        return revert("can't find contract");
    }
    if (!FastByteComparisons.equal(sender, accountState.getOwner())) {
        return revert("only the owner can stop the contract");
    }
    BigInteger balance = getTotalBalance(address, null);
    if (BigInteger.ZERO.compareTo(balance) != 0) {
        return revert("contract balance is not zero");
    }
    if (BigInteger.ZERO.compareTo(accountState.getNonce()) >= 0) {
        return revert("contract has stopped");
    }

    repository.setNonce(address, BigInteger.ZERO);

    ProgramResult programResult = new ProgramResult();

    return programResult;
}
Example 3
Source File: TrieImpl.java    From nuls-v2 with MIT License 5 votes vote down vote up 
@Override
public void setRoot(byte[] root) {
    if (root != null && !FastByteComparisons.equal(root, EMPTY_TRIE_HASH)) {
        this.root = new Node(root);
    } else {
        this.root = null;
    }

}
Example 4
Source File: TrieImpl.java    From nuls-v2 with MIT License 5 votes vote down vote up 
@Override
public boolean equals(Object o) {
    if (this == o) {
        return true;
    }
    if (o == null || getClass() != o.getClass()) {
        return false;
    }

    TrieImpl trieImpl1 = (TrieImpl) o;

    return FastByteComparisons.equal(getRootHash(), trieImpl1.getRootHash());

}
Example 5
Source File: ChainItem.java    From nuls-v2 with MIT License 5 votes vote down vote up 
@Override
public boolean equals(Object o) {
    if (this == o) {
        return true;
    }
    if (o == null || getClass() != o.getClass()) {
        return false;
    }
    ChainItem that = (ChainItem) o;
    return FastByteComparisons.equal(hash, that.hash);
}
Example 6
Source File: BlockHeader.java    From nuls-v2 with MIT License 5 votes vote down vote up 
@Override
public boolean equals(Object o) {
    if (this == o) {
        return true;
    }
    if (o == null || getClass() != o.getClass()) {
        return false;
    }
    BlockHeader that = (BlockHeader) o;
    return FastByteComparisons.equal(getHash(), that.getHash());
}
Example 7
Source File: TrieImpl.java    From nuls with MIT License 5 votes vote down vote up 
@Override
public void setRoot(byte[] root) {
    if (root != null && !FastByteComparisons.equal(root, EMPTY_TRIE_HASH)) {
        this.root = new Node(root);
    } else {
        this.root = null;
    }

}
Example 8
Source File: TrieImpl.java    From nuls with MIT License 5 votes vote down vote up 
@Override
public boolean equals(Object o) {
    if (this == o) {
        return true;
    }
    if (o == null || getClass() != o.getClass()) {
        return false;
    }

    TrieImpl trieImpl1 = (TrieImpl) o;

    return FastByteComparisons.equal(getRootHash(), trieImpl1.getRootHash());

}
Example 9
Source File: ChainItem.java    From nuls with MIT License 5 votes vote down vote up 
@Override
public boolean equals(Object o) {
    if (this == o) {
        return true;
    }
    if (o == null || getClass() != o.getClass()) {
        return false;
    }
    ChainItem that = (ChainItem) o;
    return FastByteComparisons.equal(hash, that.hash);
}
Example 10
Source File: BlockHeader.java    From nuls with MIT License 5 votes vote down vote up 
@Override
public boolean equals(Object o) {
    if (this == o) {
        return true;
    }
    if (o == null || getClass() != o.getClass()) {
        return false;
    }
    BlockHeader that = (BlockHeader) o;
    return FastByteComparisons.equal(getHash(), that.getHash());
}
Example 11
Source File: RepositoryImpl.java    From nuls-v2 with MIT License 4 votes vote down vote up 
@Override
public synchronized byte[] getCode(byte[] addr) {
    byte[] codeHash = getCodeHash(addr);
    return codeHash == null || FastByteComparisons.equal(codeHash, HashUtil.EMPTY_DATA_HASH) ?
            ByteUtil.EMPTY_BYTE_ARRAY : codeCache.get(codeKey(codeHash, addr));
}
Example 12
Source File: ChainItem.java    From nuls-v2 with MIT License 4 votes vote down vote up 
boolean isParentOf(ChainItem that) {
    return FastByteComparisons.equal(hash, that.parentHash);
}
Example 13
Source File: AccountState.java    From nuls-v2 with MIT License 4 votes vote down vote up 
public boolean isEmpty() {
    return FastByteComparisons.equal(codeHash, EMPTY_DATA_HASH) &&
            BigInteger.ZERO.equals(balance) &&
            BigInteger.ZERO.equals(nonce);
}
Example 14
Source File: RepositoryImpl.java    From nuls with MIT License 4 votes vote down vote up 
@Override
public synchronized byte[] getCode(byte[] addr) {
    byte[] codeHash = getCodeHash(addr);
    return codeHash == null || FastByteComparisons.equal(codeHash, HashUtil.EMPTY_DATA_HASH) ?
            ByteUtil.EMPTY_BYTE_ARRAY : codeCache.get(codeKey(codeHash, addr));
}
Example 15
Source File: ChainItem.java    From nuls with MIT License 4 votes vote down vote up 
boolean isParentOf(ChainItem that) {
    return FastByteComparisons.equal(hash, that.parentHash);
}
Example 16
Source File: AccountState.java    From nuls with MIT License 4 votes vote down vote up 
public boolean isEmpty() {
    return FastByteComparisons.equal(codeHash, EMPTY_DATA_HASH) &&
            BigInteger.ZERO.equals(balance) &&
            BigInteger.ZERO.equals(nonce);
}