Java Code Examples for org.bitcoinj.script.ScriptChunk#isShortestPossiblePushData()

The following examples show how to use org.bitcoinj.script.ScriptChunk#isShortestPossiblePushData() . 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: DefaultRiskAnalysis.java    From bcm-android with GNU General Public License v3.0 6 votes vote down vote up 
/**
 * Checks if the given input passes some of the AreInputsStandard checks. Not complete.
 */
public static RuleViolation isInputStandard(TransactionInput input) {
    for (ScriptChunk chunk : input.getScriptSig().getChunks()) {
        if (chunk.data != null && !chunk.isShortestPossiblePushData())
            return RuleViolation.SHORTEST_POSSIBLE_PUSHDATA;
        if (chunk.isPushData()) {
            ECDSASignature signature;
            try {
                signature = ECKey.ECDSASignature.decodeFromDER(chunk.data);
            } catch (IllegalArgumentException x) {
                // Doesn't look like a signature.
                signature = null;
            }
            if (signature != null) {
                if (!TransactionSignature.isEncodingCanonical(chunk.data))
                    return RuleViolation.SIGNATURE_CANONICAL_ENCODING;
                if (!signature.isCanonical())
                    return RuleViolation.SIGNATURE_CANONICAL_ENCODING;
            }
        }
    }
    return RuleViolation.NONE;
}
Example 2
Source File: BisqRiskAnalysis.java    From bisq-core with GNU Affero General Public License v3.0 6 votes vote down vote up 
/** Checks if the given input passes some of the AreInputsStandard checks. Not complete. */
public static RuleViolation isInputStandard(TransactionInput input) {
    for (ScriptChunk chunk : input.getScriptSig().getChunks()) {
        if (chunk.data != null && !chunk.isShortestPossiblePushData())
            return RuleViolation.SHORTEST_POSSIBLE_PUSHDATA;
        if (chunk.isPushData()) {
            ECDSASignature signature;
            try {
                signature = ECKey.ECDSASignature.decodeFromDER(chunk.data);
            } catch (RuntimeException x) {
                // Doesn't look like a signature.
                signature = null;
            }
            if (signature != null) {
                if (!TransactionSignature.isEncodingCanonical(chunk.data))
                    return RuleViolation.SIGNATURE_CANONICAL_ENCODING;
                if (!signature.isCanonical())
                    return RuleViolation.SIGNATURE_CANONICAL_ENCODING;
            }
        }
    }
    return RuleViolation.NONE;
}
Example 3
Source File: DefaultRiskAnalysis.java    From green_android with GNU General Public License v3.0 6 votes vote down vote up 
/** Checks if the given input passes some of the AreInputsStandard checks. Not complete. */
public static RuleViolation isInputStandard(TransactionInput input) {
    for (ScriptChunk chunk : input.getScriptSig().getChunks()) {
        if (chunk.data != null && !chunk.isShortestPossiblePushData())
            return RuleViolation.SHORTEST_POSSIBLE_PUSHDATA;
        if (chunk.isPushData()) {
            ECDSASignature signature;
            try {
                signature = ECKey.ECDSASignature.decodeFromDER(chunk.data);
            } catch (RuntimeException x) {
                // Doesn't look like a signature.
                signature = null;
            }
            if (signature != null) {
                if (!TransactionSignature.isEncodingCanonical(chunk.data))
                    return RuleViolation.SIGNATURE_CANONICAL_ENCODING;
                if (!signature.isCanonical())
                    return RuleViolation.SIGNATURE_CANONICAL_ENCODING;
            }
        }
    }
    return RuleViolation.NONE;
}
Example 4
Source File: DefaultRiskAnalysis.java    From GreenBits with GNU General Public License v3.0 6 votes vote down vote up 
/** Checks if the given input passes some of the AreInputsStandard checks. Not complete. */
public static RuleViolation isInputStandard(TransactionInput input) {
    for (ScriptChunk chunk : input.getScriptSig().getChunks()) {
        if (chunk.data != null && !chunk.isShortestPossiblePushData())
            return RuleViolation.SHORTEST_POSSIBLE_PUSHDATA;
        if (chunk.isPushData()) {
            ECDSASignature signature;
            try {
                signature = ECKey.ECDSASignature.decodeFromDER(chunk.data);
            } catch (RuntimeException x) {
                // Doesn't look like a signature.
                signature = null;
            }
            if (signature != null) {
                if (!TransactionSignature.isEncodingCanonical(chunk.data))
                    return RuleViolation.SIGNATURE_CANONICAL_ENCODING;
                if (!signature.isCanonical())
                    return RuleViolation.SIGNATURE_CANONICAL_ENCODING;
            }
        }
    }
    return RuleViolation.NONE;
}
Example 5
Source File: BisqRiskAnalysis.java    From bisq with GNU Affero General Public License v3.0 6 votes vote down vote up 
/** Checks if the given input passes some of the AreInputsStandard checks. Not complete. */
public static RuleViolation isInputStandard(TransactionInput input) {
    for (ScriptChunk chunk : input.getScriptSig().getChunks()) {
        if (chunk.data != null && !chunk.isShortestPossiblePushData())
            return RuleViolation.SHORTEST_POSSIBLE_PUSHDATA;
        if (chunk.isPushData()) {
            ECDSASignature signature;
            try {
                signature = ECKey.ECDSASignature.decodeFromDER(chunk.data);
            } catch (RuntimeException x) {
                // Doesn't look like a signature.
                signature = null;
            }
            if (signature != null) {
                if (!TransactionSignature.isEncodingCanonical(chunk.data))
                    return RuleViolation.SIGNATURE_CANONICAL_ENCODING;
                if (!signature.isCanonical())
                    return RuleViolation.SIGNATURE_CANONICAL_ENCODING;
            }
        }
    }
    return RuleViolation.NONE;
}
Example 6
Source File: DefaultRiskAnalysis.java    From bcm-android with GNU General Public License v3.0 5 votes vote down vote up 
/**
 * Checks the output to see if the script violates a standardness rule. Not complete.
 */
public static RuleViolation isOutputStandard(TransactionOutput output) {
    if (output.getValue().compareTo(MIN_ANALYSIS_NONDUST_OUTPUT) < 0)
        return RuleViolation.DUST;
    for (ScriptChunk chunk : output.getScriptPubKey().getChunks()) {
        if (chunk.isPushData() && !chunk.isShortestPossiblePushData())
            return RuleViolation.SHORTEST_POSSIBLE_PUSHDATA;
    }
    return RuleViolation.NONE;
}
Example 7
Source File: BisqRiskAnalysis.java    From bisq-core with GNU Affero General Public License v3.0 5 votes vote down vote up 
/**
 * Checks the output to see if the script violates a standardness rule. Not complete.
 */
public static RuleViolation isOutputStandard(TransactionOutput output) {
    // OP_RETURN has usually output value zero, so we exclude that from the MIN_ANALYSIS_NONDUST_OUTPUT check
    if (!output.getScriptPubKey().isOpReturn()
            && output.getValue().compareTo(MIN_ANALYSIS_NONDUST_OUTPUT) < 0)
        return RuleViolation.DUST;
    for (ScriptChunk chunk : output.getScriptPubKey().getChunks()) {
        if (chunk.isPushData() && !chunk.isShortestPossiblePushData())
            return RuleViolation.SHORTEST_POSSIBLE_PUSHDATA;
    }
    return RuleViolation.NONE;
}
Example 8
Source File: DefaultRiskAnalysis.java    From green_android with GNU General Public License v3.0 5 votes vote down vote up 
/**
 * Checks the output to see if the script violates a standardness rule. Not complete.
 */
public static RuleViolation isOutputStandard(TransactionOutput output) {
    if (output.getValue().compareTo(MIN_ANALYSIS_NONDUST_OUTPUT) < 0)
        return RuleViolation.DUST;
    for (ScriptChunk chunk : output.getScriptPubKey().getChunks()) {
        if (chunk.isPushData() && !chunk.isShortestPossiblePushData())
            return RuleViolation.SHORTEST_POSSIBLE_PUSHDATA;
    }
    return RuleViolation.NONE;
}
Example 9
Source File: DefaultRiskAnalysis.java    From GreenBits with GNU General Public License v3.0 5 votes vote down vote up 
/**
 * Checks the output to see if the script violates a standardness rule. Not complete.
 */
public static RuleViolation isOutputStandard(TransactionOutput output) {
    if (output.getValue().compareTo(MIN_ANALYSIS_NONDUST_OUTPUT) < 0)
        return RuleViolation.DUST;
    for (ScriptChunk chunk : output.getScriptPubKey().getChunks()) {
        if (chunk.isPushData() && !chunk.isShortestPossiblePushData())
            return RuleViolation.SHORTEST_POSSIBLE_PUSHDATA;
    }
    return RuleViolation.NONE;
}
Example 10
Source File: BisqRiskAnalysis.java    From bisq with GNU Affero General Public License v3.0 5 votes vote down vote up 
/**
 * Checks the output to see if the script violates a standardness rule. Not complete.
 */
public static RuleViolation isOutputStandard(TransactionOutput output) {
    // OP_RETURN has usually output value zero, so we exclude that from the MIN_ANALYSIS_NONDUST_OUTPUT check
    if (!output.getScriptPubKey().isOpReturn()
            && output.getValue().compareTo(MIN_ANALYSIS_NONDUST_OUTPUT) < 0)
        return RuleViolation.DUST;
    for (ScriptChunk chunk : output.getScriptPubKey().getChunks()) {
        if (chunk.isPushData() && !chunk.isShortestPossiblePushData())
            return RuleViolation.SHORTEST_POSSIBLE_PUSHDATA;
    }
    return RuleViolation.NONE;
}