public static int calcSigHashValue ( Transaction . SigHash mode , boolean anyoneCanPay ) { Preconditions . checkArgument ( SigHash . ALL == mode || SigHash . NONE == mode || SigHash . SINGLE == mode ) ; // enforce compatibility since this code was made before the SigHash enum was updated int sighashFlags = mode . value ; if ( anyoneCanPay ) sighashFlags |= Transaction . SigHash . ANYONECANPAY . value ; return sighashFlags ; }
Calculates the byte used in the protocol to represent the combination of mode and anyoneCanPay .