mapping : Ethereum Help

Which is the expected behavior trying to get an undefined mapping value?

solidity erc-20 mapping
Updated December 05, 2018 13:28 PM

How do I read an array inside of a struct?

solidity truffle storage arrays mapping
Updated December 04, 2018 00:28 AM

Token-specific ENS equivalent

contract-development tokens erc-20 mapping ens
Updated December 03, 2018 13:28 PM

How can you figure out if a certain key exists in a mapping, Struct defined inside Library (in Solidity)?

solidity mapping
Updated November 26, 2018 17:28 PM

How to initialize a new struct with an empty mapping?

mapping struct
Updated November 21, 2018 13:28 PM

Is it possible to have mappings inside mappings?

solidity contract-development mapping struct
Updated November 15, 2018 20:28 PM

Is there a form of mapping with an even larger space?

solidity mapping bignumber
Updated November 13, 2018 20:28 PM

Membership in a set of strings

solidity storage mapping data-types solidity-best-practices
Updated November 13, 2018 18:28 PM

How to initialise a mapping of a struct inside a function?

solidity mapping struct
Updated November 10, 2018 14:28 PM

How do I check if a bytes32 variable in a mapping has been assigned value?

solidity mapping bytes32
Updated November 08, 2018 07:28 AM

Should I maintain an array of all the valid keys in a given mapping?

events arrays mapping
Updated November 02, 2018 11:28 AM

web3js send transaction failed when contract modify mapping data , but remix work

web3js remix mapping
Updated November 02, 2018 10:28 AM

Mapping address to multidimensional uint

solidity arrays mapping
Updated October 30, 2018 11:28 AM

solidity return the mapping(struct) not work

solidity remix mapping
Updated October 24, 2018 19:28 PM

Mapping not working with address type

solidity contract-development remix ropsten mapping
Updated October 23, 2018 18:28 PM

What does address(0) mean?

solidity addresses mapping
Updated October 23, 2018 18:28 PM

How to maintain list of contributors and their contribution?

solidity ether mapping
Updated October 23, 2018 18:28 PM

TypeError: Cannot read property 'call' of undefined

web3js mapping
Updated October 23, 2018 12:28 PM

Getting and storing address of erc20 contract after dynamically creating it

erc-20 mapping constructor
Updated October 16, 2018 13:28 PM

How much records can a mapping store?

mapping
Updated October 13, 2018 19:28 PM

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