Frontier Era

An array in, array out exercise from Cyrus Adkisson's Solidity walkthrough

A struct and for loop exercise from Cyrus Adkisson's Solidity walkthrough

A tutorial contract that detects whether a caller is a contract or an externally owned account.

A provably-fair commit-reveal gambling contract from the Ethereum dapp-bin, deployed 47 days after Frontier genesis.

A copy of the greeter contract from the Frontier Guide, storing the greeting 'Hello World!'.

The Pong half of Cyrus Adkisson's contract to contract call exercise

Inter-contract communication tutorial. Ping calls Pong to retrieve a value, demonstrating cross-contract function calls in Solidity.

A second Ping deployment, pointed at a different Pong

Target contract.

A minimal getter/setter proxy from the Oraclize team. set() forwards calls to a hardcoded target contract, get() returns constant 255.

The storage example rewired to send a wei and return a constant

Controller contract.

Pool5x contract.

Revised Pool5x lottery prototype by Bertani (Oraclize), deployed 17 blocks after v1. Stores 5x msg.value and emits debug log events.

Bertani's pre-hackathon prototype of InsurETH, deployed twelve hours before Hack The Block London opened.

A copy of the coin contract from the Frontier Guide, the two function token that taught a generation of Ethereum developers to move a balance.

A copy of the greeter contract from the Frontier Guide, storing the greeting 'You ninnie'.

The string indexOf from the solidity-baby-steps tutorials, with a diagnostic slot recording which branch last ran.

The SimpleStorage tutorial contract with a log event added to its setter.

The SimpleStorage tutorial contract with a log event added to its setter.

The SimpleStorage tutorial contract with a log event added to its setter.

The SimpleStorage tutorial contract with a log event added to its setter.

The SimpleStorage tutorial contract with a log event added to its setter.

The SimpleStorage tutorial contract with a log event added to its setter.