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#!/bin/bash
# This script shows how Nexus can request histories from
# a particular time frame. Such request must succeed via
# two connection types: EBICS and x-libeufin-bank. EBICS
# ensures the fetching of fiat payments made to the regional
# currency authority, whereas x-libeufin-bank does it for
# the regional currency circuit. Note: the time-framed
# request is exceptional: it's used only after a complaint
# from a user where they didn't get their funds as expected.
set -eu
service postgresql start
sudo -u postgres createuser -s root
createdb libeufincheck
echo -n Launching and confirguring LibEuFin..
source /start-libeufin.sh &> /dev/null
# Register the Sandbox account.
export LIBEUFIN_SANDBOX_USERNAME=sandbox-user
export LIBEUFIN_SANDBOX_PASSWORD=foo
libeufin-cli \
sandbox --sandbox-url http://localhost:5000/ \
demobank \
register
# x-libeufin-bank connection.
# Creating the x-libeufin-bank connection at Nexus.
export LIBEUFIN_NEXUS_USERNAME=test-user
export LIBEUFIN_NEXUS_PASSWORD=x
export LIBEUFIN_NEXUS_URL=http://localhost:5001
libeufin-cli connections new-xlibeufinbank-connection \
--bank-url "http://localhost:5000/demobanks/default/access-api" \
--username sandbox-user \
--password foo \
xlibeufinbankconn
# Connecting the x-libeufin-bank connection...
libeufin-cli connections connect xlibeufinbankconn
# Importing the bank account under a local name at Nexus.
# Importing the x-libeufin-bank account locally..
libeufin-cli connections import-bank-account \
--offered-account-id sandbox-user \
--nexus-bank-account-id foo-at-nexus xlibeufinbankconn
# EBICS connection.
## Sandbox side.
export LIBEUFIN_SANDBOX_USERNAME=admin
# "Create EBICS host at Sandbox..."
libeufin-cli sandbox \
--sandbox-url http://localhost:5000 \
ebicshost create --host-id wwwebics
# Create nlnet EBICS subscriber at Sandbox
libeufin-cli sandbox \
--sandbox-url http://localhost:5000 \
demobank new-ebicssubscriber --host-id wwwebics \
--user-id nlnet --partner-id nlnet \
--bank-account sandbox-user # that's a username _and_ a bank account name
## Nexus side.
export LIBEUFIN_NEXUS_USERNAME=test-user
export LIBEUFIN_NEXUS_PASSWORD=x
export LIBEUFIN_NEXUS_URL=http://localhost:5001
# Creating the EBICS connection at Nexus...
libeufin-cli connections new-ebics-connection \
--ebics-url "http://localhost:5000/ebicsweb" \
--host-id wwwebics \
--partner-id nlnet \
--ebics-user-id nlnet \
ebicsconn
# Setup EBICS keying...
libeufin-cli connections connect ebicsconn > /dev/null
# Download bank account name from Sandbox...
libeufin-cli connections download-bank-accounts ebicsconn
# Importing bank account info into Nexus...
libeufin-cli connections import-bank-account \
--offered-account-id sandbox-user \
--nexus-bank-account-id bar-at-nexus ebicsconn
echo DONE
FIRST_JAN_2020="1577833200000" # in milliseconds
END_DEC_2019="2019-12-30"
MID_JAN_2020="2020-01-15"
echo Make sample transaction..
# 0, setup and start services.
libeufin-sandbox make-transaction \
--credit-account=admin \
--debit-account=sandbox-user MANA:2 \
"task5" # subject.
echo DONE
echo -n Articifially set the transaction date to $FIRST_JAN_2020..
# 1, set artificial time for the transaction at January, 1st 2020.
echo "UPDATE bankaccounttransactions SET date='$FIRST_JAN_2020' WHERE subject='task5'" | psql -q -d libeufincheck
echo DONE
# 2, retrieve the transaction via Nexus, for both
# connections and by asking for a (narrow) time frame
# that includes the 2020-01-01 payment.
echo -n Nexus: syncing banking records for the time frame $END_DEC_2019-$MID_JAN_2020 via EBICS..
# Fetch time-framed payments via EBICS.
libeufin-cli \
accounts \
fetch-transactions \
--level=report \
--range-type=time-range \
--start=$END_DEC_2019 \
--end=$MID_JAN_2020 \
bar-at-nexus > /dev/null # EBICS
echo DONE
echo Showing the synced data..
# Now checks if Nexus ingested and shows the
# expected payment.
libeufin-cli \
accounts \
transactions \
bar-at-nexus
echo DONE
echo Resetting the Nexus database..
# Bring the database state so that Nexus does not hold any payment.
echo "DELETE FROM nexusbanktransactions" | psql -d libeufincheck
echo "DELETE FROM nexusbankmessages" | psql -d libeufincheck
echo DONE
echo Checking that no payment data appears after the reset..
# Double-checking that the future steps start
# without the previous transactions.
libeufin-cli \
accounts \
transactions \
foo-at-nexus # FIXME: put a 204 No Content check?
echo DONE
# Fetch time-framed payments via x-libeufin-bank.
echo Nexus: syncing banking records for the time frame ${END_DEC_2019}_${MID_JAN_2020} via x-libeufin-bank..
libeufin-cli \
accounts \
fetch-transactions \
--level=statement \
--range-type=time-range \
--start=$END_DEC_2019 \
--end=$MID_JAN_2020 \
foo-at-nexus
echo DONE
# As in the previous case, now Nexus should show
# the 2020-01-01 the payment.
echo Showing the synced data..
libeufin-cli \
accounts \
transactions \
foo-at-nexus # FIXME: put a 200 OK check?
echo DONE
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