#!/usr/bin/env bash
#
# Fetches the latest SPL programs and produces the solana-genesis command-line
# arguments needed to install them
#

set -e

fetch_program() {
  declare name=$1
  declare version=$2
  declare address=$3
  declare loader=$4

  declare so=spl_$name-$version.so

  genesis_args+=(--bpf-program "$address" "$loader" "$so")

  if [[ -r $so ]]; then
    return
  fi

  if [[ -r ~/.cache/solana-spl/$so ]]; then
    cp ~/.cache/solana-spl/"$so" "$so"
  else
    echo "Downloading $name $version"
    (
      set -x
      curl -L --retry 5 --retry-delay 2 --retry-connrefused \
        -o "$so" \
        "https://github.com/solana-labs/solana-program-library/releases/download/$name-v$version/spl_$name.so"
    )

    mkdir -p ~/.cache/solana-spl
    cp "$so" ~/.cache/solana-spl/"$so"
  fi

}

fetch_program token 2.0.3 TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA BPFLoader1111111111111111111111111111111111
fetch_program memo  1.0.0 Memo1UhkJRfHyvLMcVucJwxXeuD728EqVDDwQDxFMNo BPFLoader1111111111111111111111111111111111

echo "${genesis_args[@]}" > spl-genesis-args.sh

echo
echo "Available SPL programs:"
ls -l spl_*.so

echo
echo "solana-genesis command-line arguments (spl-genesis-args.sh):"
cat spl-genesis-args.sh