adds e2e test, not passing

e2e_test/shared.sh

@@ -10,6 +10,7 @@ TOKEN_ADDR=0x471ece3750da237f93b8e339c536989b8978a438
 FEE_CURRENCY_WHITELIST_ADDR=0xbb024e9cdcb2f9e34d893630d19611b8a5381b3c
 SORTED_ORACLES_ADDR=0xefb84935239dacdecf7c5ba76d8de40b077b7b33
 FEE_CURRENCY=0x000000000000000000000000000000000000ce16
+FEE_HANDLER=0xcd437749e43a154c07f3553504c68fbfd56b8778
 
 FIXIDITY_1=1000000000000000000000000
 ZERO_ADDRESS=0x0000000000000000000000000000000000000000

e2e_test/test_base_fee_recipient.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+#shellcheck disable=SC2086
+set -eo pipefail
+set -x
+
+source shared.sh
+
+# Send token and check balance
+balance_before=$(cast balance $FEE_HANDLER)
+tx_json=$(cast send --json --private-key $ACC_PRIVKEY $TOKEN_ADDR 'transfer(address to, uint256 value) returns (bool)' 0x000000000000000000000000000000000000dEaD 100)
+echo "tx json: $tx_json"
+tx_hash=$(echo $tx_json | jq -r '.transactionHash')
+echo "tx hash: $tx_hash"
+cast tx $tx_hash
+cast receipt $tx_hash
+balance_after=$(cast balance $FEE_HANDLER)
+echo "Balance change: $balance_before -> $balance_after"
+# TODO(Alec) calculate expected balance change
+[[ $((balance_before + 100)) -eq $balance_after ]] || (echo "Balance did not change as expected"; exit 1)