Exception: Tapyrus::ScriptError

Inherits:
Exception
  • Object
show all
Defined in:
lib/tapyrus/script/script_error.rb

Overview

tapyrus script error

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(code, extra_msg = "") ⇒ ScriptError

Returns a new instance of ScriptError.



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# File 'lib/tapyrus/script/script_error.rb', line 7

def initialize(code, extra_msg = "")
  raise "invalid error code." unless ERRCODES_MAP[code]
  @code = code
  @extra_msg = extra_msg
end

Instance Attribute Details

#code ⇒ Object

Returns the value of attribute code.



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# File 'lib/tapyrus/script/script_error.rb', line 4

def code
  @code
end

#extra_msg ⇒ Object

Returns the value of attribute extra_msg.



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# File 'lib/tapyrus/script/script_error.rb', line 5

def extra_msg
  @extra_msg
end

Class Method Details

.name_to_code(name) ⇒ Object 



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# File 'lib/tapyrus/script/script_error.rb', line 98

def self.name_to_code(name)
  NAME_MAP[name]
end

Instance Method Details

#to_s ⇒ Object 



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# File 'lib/tapyrus/script/script_error.rb', line 13

def to_s
  case code
  when SCRIPT_ERR_OK
    "No error"
  when SCRIPT_ERR_EVAL_FALSE
    "Script evaluated without error but finished with a false/empty top stack element"
  when SCRIPT_ERR_VERIFY
    "Script failed an OP_VERIFY operation"
  when SCRIPT_ERR_EQUALVERIFY
    "Script failed an OP_EQUALVERIFY operation"
  when SCRIPT_ERR_CHECKMULTISIGVERIFY
    "Script failed an OP_CHECKMULTISIGVERIFY operation"
  when SCRIPT_ERR_CHECKSIGVERIFY
    "Script failed an OP_CHECKSIGVERIFY operation"
  when SCRIPT_ERR_NUMEQUALVERIFY
    "Script failed an OP_NUMEQUALVERIFY operation"
  when SCRIPT_ERR_SCRIPT_SIZE
    "Script is too big"
  when SCRIPT_ERR_PUSH_SIZE
    "Push value size limit exceeded"
  when SCRIPT_ERR_OP_COUNT
    "Operation limit exceeded"
  when SCRIPT_ERR_STACK_SIZE
    "Stack size limit exceeded"
  when SCRIPT_ERR_SIG_COUNT
    "Signature count negative or greater than pubkey count"
  when SCRIPT_ERR_PUBKEY_COUNT
    "Pubkey count negative or limit exceeded"
  when SCRIPT_ERR_BAD_OPCODE
    "Opcode missing or not understood"
  when SCRIPT_ERR_DISABLED_OPCODE
    "Attempted to use a disabled opcode"
  when SCRIPT_ERR_INVALID_STACK_OPERATION
    "Operation not valid with the current stack size"
  when SCRIPT_ERR_INVALID_ALTSTACK_OPERATION
    "Operation not valid with the current altstack size"
  when SCRIPT_ERR_OP_RETURN
    "OP_was encountered"
  when SCRIPT_ERR_UNBALANCED_CONDITIONAL
    "Invalid OP_IF construction"
  when SCRIPT_ERR_NEGATIVE_LOCKTIME
    "Negative locktime"
  when SCRIPT_ERR_UNSATISFIED_LOCKTIME
    "Locktime requirement not satisfied"
  when SCRIPT_ERR_SIG_HASHTYPE
    "Signature hash type missing or not understood"
  when SCRIPT_ERR_SIG_DER
    "Non-canonical DER signature"
  when SCRIPT_ERR_MINIMALDATA
    "Data push larger than necessary"
  when SCRIPT_ERR_SIG_PUSHONLY
    "Only non-push operators allowed in signatures"
  when SCRIPT_ERR_SIG_HIGH_S
    "Non-canonical signature S value is unnecessarily high"
  when SCRIPT_ERR_SIG_NULLDUMMY
    "Dummy CHECKMULTISIG argument must be zero"
  when SCRIPT_ERR_MINIMALIF
    "OP_IF/NOTIF argument must be minimal"
  when SCRIPT_ERR_SIG_NULLFAIL
    "Signature must be zero for failed CHECK(MULTI)SIG operation"
  when SCRIPT_ERR_DISCOURAGE_UPGRADABLE_NOPS
    "NOPx reserved for soft-fork upgrades"
  when SCRIPT_ERR_DISCOURAGE_UPGRADABLE_WITNESS_PROGRAM
    "Witness version reserved for soft-fork upgrades"
  when SCRIPT_ERR_PUBKEYTYPE
    "Public key is neither compressed or uncompressed"
  when SCRIPT_ERR_OP_CODESEPARATOR
    "Using OP_CODESEPARATOR in non-witness scrip"
  when SCRIPT_ERR_SIG_FINDANDDELETE
    "Signature is found in scriptCode"
  when SCRIPT_ERR_OP_COLOR_UNEXPECTED
    "Unexpected OP_COLOR in script"
  when SCRIPT_ERR_OP_COLOR_ID_INVALID
    "Invalid ColorId in script"
  when SCRIPT_ERR_OP_COLOR_MULTIPLE
    "Multiple OP_COLOR found in script"
  when SCRIPT_ERR_OP_COLOR_IN_BRANCH
    "OP_COLOR is not permitted in a script branch"
  when SCRIPT_ERR_UNKNOWN_ERROR, SCRIPT_ERR_ERROR_COUNT
    "unknown error"
  else
    extra_msg ? extra_msg : "unknown error"
  end
end