Either:
- install clk-project and the extension with
curl -sSL https://clk-project.org/install.sh | env CLK_EXTENSIONS=eth bash
- if you already have clk, you can simply install this extension with
clk extension install eth
clk eth --mnemonic "my seed phrase" contract --address "deadbeef" --abi "path to some json abi" call SomeFunction arg1=value1 arg2=value2