Get the Fetch.ai Ledger code from Git.
Full initial installation and build instructions are here.
./etch with filename, flags, and arguments:
./etch [options] <filename> -- [script args].
./etch hello-world.etch -data test.json.
This runs the
hello-world.etch file and produces a
json file containing info on the data required by the contract.
You can run all the examples in these docs in the
etch playground here as well as on the command line.
Compile and run a single
Let’s run our first
Create a new file in the
etch directory and save it as
Add the following code:
function main() printLn("Hello world!"); endfunction
Save the file.
You should see the following output:
$ ./etch hello-world.etch F E ╱ etch v0.1.0-23-gd7622f98 T C Copyright 2018-2019 (c) Fetch AI Ltd. H Hello world!
Compile and run two or more
It is possible to compile and run two or more
etch files in one go.
The files are not order dependent and the single
main() function can be in any of the files.
For example, run
./etch file-1.etch file-2.etch file-n.etch.