36 lines
1.6 KiB
JavaScript
36 lines
1.6 KiB
JavaScript
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/* global assert */
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function isException(error) {
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let strError = error.toString();
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return strError.includes('VM Exception') || strError.includes('invalid opcode') || strError.includes('invalid JUMP');
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}
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function ensureException(error) {
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assert(isException(error), error.toString());
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}
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const PREFIX = "VM Exception while processing transaction: ";
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async function tryCatch(promise, message) {
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try {
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await promise;
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throw null;
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}
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catch (error) {
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assert(error, "Expected an error but did not get one");
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assert(error.message.startsWith(PREFIX + message), "Expected an error starting with '" + PREFIX + message + "' but got '" + error.message + "' instead");
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}
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};
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module.exports = {
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zeroAddress : '0x0000000000000000000000000000000000000000',
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isException : isException,
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ensureException : ensureException,
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catchRevert : async function(promise) {await tryCatch(promise, "revert" );},
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catchOutOfGas : async function(promise) {await tryCatch(promise, "out of gas" );},
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catchInvalidJump : async function(promise) {await tryCatch(promise, "invalid JUMP" );},
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catchInvalidOpcode : async function(promise) {await tryCatch(promise, "invalid opcode" );},
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catchStackOverflow : async function(promise) {await tryCatch(promise, "stack overflow" );},
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catchStackUnderflow : async function(promise) {await tryCatch(promise, "stack underflow" );},
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catchStaticStateChange : async function(promise) {await tryCatch(promise, "static state change");},
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};
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