Vulcan

Vulcan provides Decentr off-chain functionality. The Vulcan uses decentrcli home for sending messages to blockchain.
You should provide decentrcli home directory to this service. The Vulcan will use it for transactions signing.

Run

Docker

Local image

make image
docker run -it --rm -e "HTTP_HOST=0.0.0.0" -e "HTTP_PORT=7070" -e "LOG_LEVEL=debug" -p "7080:7070" vulcan-local

From source

go run cmd/vulcan/main.go \
    --http.host=0.0.0.0 \
    --http.port=8080 \
    --http.request-timeout 10s \
    --log.level=debug \
    --postgres="host=localhost port=5432 user=postgres password=root sslmode=disable" \
    --postgres.migrations="scripts/migrations/postgres" \
    --mandrill.api_key="MANDRILL_SUCCESS" \
    --mandrill.email_verification_subject="Email confirmation" \
    --mandrill.email_verification_template_name="confirmation" \
    --mandrill.email_welcome_subject="Welcome" \
    --mandrill.email_welcome_template_name="welcome" \
    --mandrill.from_name="decentr noreply" \
    --mandrill.from_email="noreply@decentrdev.com" \
    --blockchain.node="zeus.testnet.decentr.xyz:26656" \
    --blockchain.from="zeus" \
    --blockchain.tx_memo="you're beautiful" \
    --blockchain.initial_stake=1000000

Parameters

vulcand

CLI param	Environment var	Default	Required	Description
http.host	HTTP_HOST	0.0.0.0	true	host to bind server
http.port	HTTP_PORT	8080	true	port to listen
http.request-timeout	HTTP_REQUEST_TIMEOUT	45s	false	request processing timeout
http.recaptcha_secret	HTTP_RECAPTCHA_SECRET		true	recaptcha secret
postgres	POSTGRES	host=localhost port=5432 user=postgres password=root sslmode=disable	true	postgres dsn
postgres.max_open_connections	POSTGRES_MAX_OPEN_CONNECTIONS	0	true	postgres maximal open connections count, 0 means unlimited
postgres.max_idle_connections	POSTGRES_MAX_IDLE_CONNECTIONS	5	true	postgres maximal idle connections count
postgres.migrations	POSTGRES_MIGRATIONS	/migrations/postgres	true	postgres migrations directory
mandrill.api_key	MANDRILL_API_KEY		true	mandrillapp.com api key
mandrill.verification_email_subject	MANDRILL_VERIFICATION_EMAIL_SUBJECT	decentr.xyz - Verification	false	subject for verification emails
mandrill.verification_email_template_name	MANDRILL_VERIFICATION_EMAIL_TEMPLATE_NAME		true	mandrill's verification template to be sent
mandrill.welcome_email_subject	MANDRILL_WELCOME_EMAIL_SUBJECT	decentr.xyz - Verification	false	subject for welcome emails
mandrill.welcome_email_template_name	MANDRILL_WELCOME_EMAIL_TEMPLATE_NAME		true	mandrill's welcome template to be sent
mandrill.from_name	MANDRILL_FROM_NAME	decentr.xyz	false	name for emails sender
mandrill.from_email	MANDRILL_FROM_NAME	noreply@decentrdev.com	true	email for emails sender
blockchain.node	BLOCKCHAIN_NODE	http://zeus.mainnet.decentr.xyz:26657	true	decentr node address
blockchain.from	BLOCKCHAIN_FROM		true	decentr account name to send stakes
blockchain.tx_memo	BLOCKCHAIN_TX_MEMO		false	decentr tx's memo
blockchain.chain_id	BLOCKCHAIN_CHAIN_ID	testnet	true	decentr chain id
blockchain.client_home	BLOCKCHAIN_CLIENT_HOME	~/.decentrcli	true	decentrcli home directory
blockchain.keyring_backend	BLOCKCHAIN_KEYRING_BACKEND	test	true	decentrcli keyring backend
blockchain.keyring_prompt_input	BLOCKCHAIN_KEYRING_PROMPT_INPUT		false	decentrcli keyring prompt input
blockchain.gas	BLOCKCHAIN_GAS	10	false	gas amount
blockchain.fee	BLOCKCHAIN_FEE	1udec	false	transaction fee
blockchain.initial_stake	BLOCKCHAIN_INITIAL_STAKE	1000000	true	stakes count to be sent, 1DEC = 1000000 uDEC
referral.threshold_pdv	REFERRAL_THRESHOLD_PDV	100	true	how many uPDV a user should obtain to get a referral reward
referral.threshold_days	REFERRAL_THRESHOLD_DAYS	30	true	how many days a user should wait to get a referral reward
supply.native_node	SUPPLY_NATIVE_NODE	https://zeus.testnet.decentr.xyz	true	native rest node address
supply.erc20_node	SUPPLY_ERC20_NODE		true	erc20 node address
log.level	LOG_LEVEL	info	false	level of logger (debug,info,warn,error)
sentry.dsn	SENTRY_DSN		sentry dsn
slack.hook-url	SLACK_HOOK_URL		false	slack hook url
slack.channel	SLACK_CHANNEL	alerts-dloan	false	slack channel

referrald

CLI param	Environment var	Default	Required	Description
postgres	POSTGRES	host=localhost port=5432 user=postgres password=root sslmode=disable	true	postgres dsn
postgres.max_open_connections	POSTGRES_MAX_OPEN_CONNECTIONS	0	true	postgres maximal open connections count, 0 means unlimited
postgres.max_idle_connections	POSTGRES_MAX_IDLE_CONNECTIONS	5	true	postgres maximal idle connections count
postgres.migrations	POSTGRES_MIGRATIONS	/migrations/postgres	true	postgres migrations directory
blockchain.node	BLOCKCHAIN_NODE	http://zeus.mainnet.decentr.xyz:26657	true	decentr node address
blockchain.from	BLOCKCHAIN_FROM		true	decentr account name to send stakes
blockchain.tx_memo	BLOCKCHAIN_TX_MEMO		false	decentr tx's memo
blockchain.chain_id	BLOCKCHAIN_CHAIN_ID	testnet	true	decentr chain id
blockchain.client_home	BLOCKCHAIN_CLIENT_HOME	~/.decentrcli	true	decentrcli home directory
blockchain.keyring_backend	BLOCKCHAIN_KEYRING_BACKEND	test	true	decentrcli keyring backend
blockchain.keyring_prompt_input	BLOCKCHAIN_KEYRING_PROMPT_INPUT		false	decentrcli keyring prompt input
blockchain.gas	BLOCKCHAIN_GAS	10	false	gas amount
blockchain.fee	BLOCKCHAIN_FEE	1udec	false	transaction fee
blockchain.grpc_node_url	BLOCKCHAIN_GRPC_NODE_URL	hera.mainnet.decentr.xyz:9090	false	GRPC endpoint url
referral.threshold_pdv	REFERRAL_THRESHOLD_PDV	0.000100	true	how many uPDV a user should obtain to get a referral reward
referral.threshold_days	REFERRAL_THRESHOLD_DAYS	30	true	how many days a user should wait to get a referral reward
log.level	LOG_LEVEL	info	false	level of logger (debug,info,warn,error)
sentry.dsn	SENTRY_DSN		sentry dsn

Development

Makefile

Update vendors

Use make vendor

Install required for development tools

You can check all tools existence with make check-all or force installing them with make install-all

golangci-lint 1.29.0

Use make install-linter

swagger v0.25.0

Use make install-swagger

gomock v1.4.3

Use make install-mockgen

Build docker image

Use make image to build local docker image named vulcan-local

Build binary

Use make build to build for your OS or use make linux to build for linux(used in make image)

Run tests

Use make test to run tests. Also you can run tests with integration tag with make fulltest