Super-simple script to deploy an ewasm contract to the testnet

Usage

Send Transaction

./sendtx.sh <wasm_deployer> <nonce> <private_key>

Example

Directory example/ contains a very simple ewasm contract, this contract stores the number 1 into storage key 0 when contract is called.

Contract bytecode is in file: example/store.wasm. File example/store.wast contains the text-format representation.

Install wasm-chisel

In order to deploy this contract, its bytecode has to be returned by a "deployer", wasm-chisel can be used to generate a deployer.

Execute the following command to install wasm-chisel:

cargo install chisel

Execute chisel

In directory example/ you can find a chisel configuration file chisel.yml, take a look at the wasm chisel README to learn more about the options. In this configuration the option deployer is enabled with preset memory.

Execute the following command in the example/ directory:

chisel run

This will generate a new file store_deployer.wasm. This is the file we have to use in our script.

Execute sendtx script

Execute the sendtx.sh script sending as parameter the wasm deployer file generated above.

This is an example of a contract generated using this script: 0x3D67Ab971D5eC6bd2Ef248a6FA3982921EfE15D5