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catbref 60e562566e Interim commit on new asset trading schema
Better order matching, especially in situations
where inexact fractional representations (e.g. 1/12)
or rounding issues might occur. Also better matching
with indivisible assets.

Essentially change ordering from have-amount & price
to have-amount and want-return, leaving unit price
to be calculated internally to a finer degree (in
some cases to 48 decimal points).

Corresponding unit tests to cover both legacy and new
scenarios. Support for tests to switch between
blockchain configs.

"New" pricing schema is its own 'feature trigger'
independent from general qorav2 switch.

Safety checks added during trading process.

HSQLDB schema changes (will probably need
careful conflict resolution on merge).

Still to do:

API changes
etc.
2019-04-02 21:10:16 +01:00
lib Using m2e-aware version of package-info-maven-plugin (v1.0.2-m2e) 2019-03-26 11:03:50 +00:00
src Interim commit on new asset trading schema 2019-04-02 21:10:16 +01:00
.gitignore API modifications, remove blockchain defaultGroupId, Eclipse/git 2019-03-11 11:17:34 +00:00
blockchain.json Bump qora-core v2 hard fork timestamp to 00:00:00 June 1st 2019 2019-03-25 11:21:56 +00:00
log4j2.properties Fix GET /assets/trades/recent regression + silence Jetty timeout warnings 2019-03-17 13:35:24 +00:00
osgi-console.sh initial work towards OSGi 2019-01-04 10:19:33 +00:00
pom.xml Using m2e-aware version of package-info-maven-plugin (v1.0.2-m2e) 2019-03-26 11:03:50 +00:00
README.md Unit test fixes + initial CIYAM AT integration 2018-10-04 14:38:59 +01:00

Qora2

To use:

  • Use maven to fetch dependencies.
  • Build project.
  • Build v1feeder.jar as a fatjar using src/v1feeder.java as the main class
  • Fire up an old-gen Qora node.
  • Use v1feeder.jar to migrate old Qora blocks to DB:

java -jar v1feeder.jar qora-v1-node-ip

You should now be able to run all the JUnit tests.

You can also examine the migrated database using HSQLDB's "sqltool".

It's a good idea to install "rlwrap" (ReadLine wrapper) too as sqltool doesn't support command history/editing!

Typical command line for sqltool would be:

rlwrap java -cp ${HSQLDB_JAR}:${SQLTOOL_JAR} org.hsqldb.cmdline.SqlTool --rcFile=${SQLTOOL_RC} qora

${HSQLDB_JAR} contains pathname to where Maven downloaded hsqldb, typically ${HOME}/.m2/repository/org/hsqldb/hsqldb/2.4.0/hsqldb-2.4.0.jar, but for now lib/org/hsqldb/hsqldb/r5836/hsqldb-r5836.jar

${SQLTOOL_JAR} contains pathname to where Maven downloaded sqltool, typically ${HOME}/.m2/repository/org/hsqldb/sqltool/2.4.1/sqltool-2.4.1.jar

${SQLTOOL_RC} contains pathname to a text file describing Qora2 database, e.g. ${HOME}/.sqltool.rc, with contents like:

urlid qora
url jdbc:hsqldb:file:db/qora
username SA
password

urlid qora-test
url jdbc:hsqldb:file:db/test
username SA
password

You could change the line url jdbc:hsqldb:file:db/test to use a full pathname for easier use.

Another idea is to assign a shell alias in your .bashrc like:

export HSQLDB_JAR=${HOME}/.m2/repository/org/hsqldb/hsqldb/2.4.0/hsqldb-2.4.0.jar
export SQLTOOL_JAR=${HOME}/.m2/repository/org/hsqldb/sqltool/2.4.1/sqltool-2.4.1.jar
alias sqltool='rlwrap java -cp ${HSQLDB_JAR}:${SQLTOOL_JAR} org.hsqldb.cmdline.SqlTool --rcFile=${SQLTOOL_RC}'

So you can simply type: sqltool qora-test

Don't forget to use SHUTDOWN; before exiting sqltool so that database files are closed cleanly.