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This page documents all environment variables used to configure the AgrospAI Data Space Portal. These are defined in the .env file at the root of your project.

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Required Variables

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Wallet and Blockchain Connection

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NEXT_PUBLIC_INFURA_PROJECT_ID
string
required
Your Infura project ID for blockchain connectivity. Used as a fallback RPC provider.Default: xxx
NEXT_PUBLIC_INFURA_PROJECT_ID="your_infura_project_id"
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NEXT_PUBLIC_WALLETCONNECT_PROJECT_ID
string
required
WalletConnect project ID for wallet connection functionality.
NEXT_PUBLIC_WALLETCONNECT_PROJECT_ID="your_walletconnect_project_id"

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Marketplace Fee Configuration

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NEXT_PUBLIC_MARKET_FEE_ADDRESS
string
required
The Ethereum address where marketplace fees will be sent.Default: 0x9984b2453eC7D99a73A5B3a46Da81f197B753C8d
NEXT_PUBLIC_MARKET_FEE_ADDRESS="0x9984b2453eC7D99a73A5B3a46Da81f197B753C8d"
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NEXT_PUBLIC_PUBLISHER_MARKET_ORDER_FEE
string
Publisher market fee taken upon ordering an asset (absolute value). Declared on ERC20 creation.Default: 0
NEXT_PUBLIC_PUBLISHER_MARKET_ORDER_FEE="1"
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NEXT_PUBLIC_PUBLISHER_MARKET_FIXED_SWAP_FEE
string
Fee received by the publisher market when a datatoken is bought from a fixed rate exchange (percentage).Default: 0
NEXT_PUBLIC_PUBLISHER_MARKET_FIXED_SWAP_FEE="1"
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NEXT_PUBLIC_CONSUME_MARKET_ORDER_FEE
string
Consume market fee taken upon ordering an asset (absolute value). Specified on order.Default: 0
NEXT_PUBLIC_CONSUME_MARKET_ORDER_FEE="1"
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NEXT_PUBLIC_CONSUME_MARKET_FIXED_SWAP_FEE
string
Fee received by the consume market when a datatoken is bought from a fixed rate exchange (percentage).Default: 0
NEXT_PUBLIC_CONSUME_MARKET_FIXED_SWAP_FEE="1"

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Advanced Settings

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Pricing Options

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NEXT_PUBLIC_ALLOW_FIXED_PRICING
boolean
Enable or disable fixed pricing option during price creation.Default: true
NEXT_PUBLIC_ALLOW_FIXED_PRICING="true"
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NEXT_PUBLIC_ALLOW_FREE_PRICING
boolean
Enable or disable free pricing option during price creation.Default: true
NEXT_PUBLIC_ALLOW_FREE_PRICING="true"
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NEXT_PUBLIC_ALLOW_DYNAMIC_PRICING
boolean
Enable or disable dynamic pricing option during price creation.Default: false
NEXT_PUBLIC_ALLOW_DYNAMIC_PRICING="false"

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Privacy and Compliance

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NEXT_PUBLIC_PRIVACY_PREFERENCE_CENTER
boolean
Enable GDPR-compliant privacy preference center to manage cookies. When enabled, uses gdpr.json file in the content directory.Default: false
NEXT_PUBLIC_PRIVACY_PREFERENCE_CENTER="true"
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NEXT_PUBLIC_COMPLIANCE_URI
string
URI for compliance information.Default: https://www.delta-dao.com/compliance
NEXT_PUBLIC_COMPLIANCE_URI="https://www.delta-dao.com/compliance"
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NEXT_PUBLIC_COMPLIANCE_API_VERSION
string
Version of the compliance API to use.Default: 2210
NEXT_PUBLIC_COMPLIANCE_API_VERSION="2210"

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Development Settings

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Contract Addresses

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NEXT_PUBLIC_NFT_FACTORY_ADDRESS
string
Address of the NFT Factory contract for development.
NEXT_PUBLIC_NFT_FACTORY_ADDRESS="0xxx"
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NEXT_PUBLIC_OPF_COMMUNITY_FEE_COLECTOR
string
Address of the OPF Community Fee Collector contract.
NEXT_PUBLIC_OPF_COMMUNITY_FEE_COLECTOR="0xxx"
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NEXT_PUBLIC_FIXED_RATE_EXCHANGE_ADDRESS
string
Address of the Fixed Rate Exchange contract.
NEXT_PUBLIC_FIXED_RATE_EXCHANGE_ADDRESS="0xxx"
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NEXT_PUBLIC_DISPENSER_ADDRESS
string
Address of the Dispenser contract.
NEXT_PUBLIC_DISPENSER_ADDRESS="0xxx"
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NEXT_PUBLIC_OCEAN_TOKEN_ADDRESS
string
Address of the Ocean Protocol token contract.
NEXT_PUBLIC_OCEAN_TOKEN_ADDRESS="0xxx"

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Development Mode

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NEXT_PUBLIC_MARKET_DEVELOPMENT
boolean
Enable development mode for the marketplace.
NEXT_PUBLIC_MARKET_DEVELOPMENT="true"

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Network Endpoints

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NEXT_PUBLIC_PROVIDER_URL
string
Custom provider URL for development.
NEXT_PUBLIC_PROVIDER_URL="http://localhost:8030"
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NEXT_PUBLIC_SUBGRAPH_URI
string
URI for the subgraph endpoint.
NEXT_PUBLIC_SUBGRAPH_URI="http://localhost:9000"
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NEXT_PUBLIC_METADATACACHE_URI
string
URI for the metadata cache (Aquarius) endpoint.Default: https://aquarius.pontus-x.eu
NEXT_PUBLIC_METADATACACHE_URI="http://localhost:5000"
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NEXT_PUBLIC_RPC_URI
string
RPC endpoint URI for blockchain interaction.
NEXT_PUBLIC_RPC_URI="http://localhost:8545"
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NEXT_PUBLIC_PURGATORY_URI
string
Purgatory URI for asset filtering. Leave empty to disable.Default: Empty string (disabled)
NEXT_PUBLIC_PURGATORY_URI=""
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NEXT_PUBLIC_DOCKER_HUB_PROXY_URL
string
URL for fetching Docker Hub image information.Default: https://dockerhub-proxy.delta-dao.com
NEXT_PUBLIC_DOCKER_HUB_PROXY_URL="https://dockerhub-proxy.delta-dao.com"

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Credentials and Redis

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CONSENTS_API_URL
string
URL for the Consents API service.Default: http://localhost:8050/api
CONSENTS_API_URL="http://localhost:8050/api"
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CREDENTIALS_REDIS_URL
string
Redis connection URL for credentials storage.Default: redis://localhost:6379
CREDENTIALS_REDIS_URL="redis://localhost:6379"
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CREDENTIALS_REDIS_USERNAME
string
Redis username for authentication.Default: default
CREDENTIALS_REDIS_USERNAME="default"
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CREDENTIALS_REDIS_PASSWORD
string
Redis password for authentication.Default: 1234
CREDENTIALS_REDIS_PASSWORD="your_redis_password"

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Telemetry and Monitoring

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OTEL_EXPORTER_OTLP_ENDPOINT
string
OpenTelemetry exporter endpoint for telemetry data.Default: http://localhost:4317
OTEL_EXPORTER_OTLP_ENDPOINT="http://localhost:4317"
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NEXT_TELEMETRY_DISABLED
number
Disable Next.js telemetry collection.Default: 1 (disabled)
NEXT_TELEMETRY_DISABLED=1

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External Services

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AGROPORTAL_API_KEY
string
API key for AgroPortal ontology service integration.
AGROPORTAL_API_KEY="your_agroportal_api_key_here"

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UI Configuration

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NEXT_PUBLIC_SHOW_PREVIEW_ALERT
boolean
Display alert banner for developer preview deployment.Default: false
NEXT_PUBLIC_SHOW_PREVIEW_ALERT="false"
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NEXT_PUBLIC_SHOW_ONBOARDING_MODULE_BY_DEFAULT
boolean
Show the onboarding module by default for new users.Default: false
NEXT_PUBLIC_SHOW_ONBOARDING_MODULE_BY_DEFAULT="true"
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NEXT_PUBLIC_HIDE_METAMASK_LOGIN
boolean
Hide the MetaMask Connect Wallet button from the UI.Default: false
NEXT_PUBLIC_HIDE_METAMASK_LOGIN="false"
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NEXT_PUBLIC_ENABLE_AUTOMATION
boolean
Enable automation features in the marketplace.Default: true
NEXT_PUBLIC_ENABLE_AUTOMATION="true"

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Example Configuration

Here’s a complete example .env file for production: 
# Wallet and Blockchain
NEXT_PUBLIC_INFURA_PROJECT_ID="your_infura_project_id"
NEXT_PUBLIC_WALLETCONNECT_PROJECT_ID="your_walletconnect_project_id"

# Marketplace Fees
NEXT_PUBLIC_MARKET_FEE_ADDRESS="0x9984b2453eC7D99a73A5B3a46Da81f197B753C8d"
NEXT_PUBLIC_PUBLISHER_MARKET_ORDER_FEE="1"
NEXT_PUBLIC_PUBLISHER_MARKET_FIXED_SWAP_FEE="1"
NEXT_PUBLIC_CONSUME_MARKET_ORDER_FEE="1"
NEXT_PUBLIC_CONSUME_MARKET_FIXED_SWAP_FEE="1"

# Pricing Options
NEXT_PUBLIC_ALLOW_FIXED_PRICING="true"
NEXT_PUBLIC_ALLOW_FREE_PRICING="true"
NEXT_PUBLIC_ALLOW_DYNAMIC_PRICING="false"

# Privacy
NEXT_PUBLIC_PRIVACY_PREFERENCE_CENTER="true"

# External Services
AGROPORTAL_API_KEY="your_agroportal_api_key_here"

# Telemetry
NEXT_TELEMETRY_DISABLED=1

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