Show EventType in CLI responses

[knkski]

Fixes STL-699. Go was ignoring the event_type JSON field due to the snake cased-name. This PR adds a struct tag that makes Go associate the EventType struct field with the event_type JSON field.

Signed-off-by: Kenneth Koski knkski@bitwise.io

[knkski]

Steps to reproduce (taken from Getting Started documentation):

#!/usr/bin/env bash

set -eux

function run() {
    docker exec -it seth-cli bash -c "$@"
}

run "openssl ecparam -genkey -name secp256k1 | openssl ec -out key-file.pem"
run "seth account import key-file.pem myalias"
run "seth account create --nonce=0 --wait myalias"
run "seth contract create --wait myalias 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"

ADDRESS=$(run "seth contract list myalias | tail -n +2 | cut -d' ' -f 2 | tr -d ' \t\n\r\f'")
run "seth contract call --wait myalias ${ADDRESS} 1ab06ee50000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a"