https://github.com/PhABC/EIPs/blob/is-valid-signature/EIPS/eip-1271.md Standard Signature Validation Method for Contracts eip title author discussions-to status type category created 1271 Standard Signature Validation Method for Contracts Francisco G…
Homepage Coinmonks HOMEFILTER ▼BLOCKCHAIN TUTORIALSCRYPTO ECONOMYTOP READSCONTRIBUTEFORUM & JOBS Go to the profile of Matt Solomon Matt Solomon Apr 20 Using APIs in Your Ethereum Smart Contract with Oraclize Getting data from an outside source onto t…
[编写Smart Contract] 1.包含头文件. #include <eosiolib/eosio.hpp> #include <eosiolib/print.hpp> 2.使用命名空间 using namespace eosio; 3.实现一个空的合约 class hello : public contract { public: using contract::contract; }; 4.合约中添加一个action class hello : public contra…
I followed the tutorial of quorum with truffle: https://truffleframework.com/tutorials/building-dapps-for-quorum-private-enterprise-blockchains Now I want to migrate the SimpleStorage.sol Smart Contract to the blockchain, but I want to make it to a…
知识点 memory vs storage vs stack storage , where all the contract state variables reside. Every contract has its own storage and it is persistent between function calls and quite expensive to use. memory , this is used to hold temporary values. It is e…