Add min-gas-price configuration

Signed-off-by: Edward Evans <edward.evans@consensys.net>

README.md

@@ -52,6 +52,7 @@ All variables which can be overridden are stored in [defaults/main.yml](defaults
 | `besu_sync_mode` | FAST | Specifies the synchronization mode. Other values are 'FULL' |
 | `besu_log_level` | INFO | The log level to use. Other log levels are 'OFF', 'FATAL', 'WARN', 'INFO', 'DEBUG', 'TRACE', 'ALL' |
 | `besu_p2p_port` | 30303 | Specifies the P2P listening ports (UDP and TCP). Ports must be exposed appropriately |
+| `besu_min_gas` | 1000 | The minimum price that a transaction offers for it to be included in a mined block |
 | `besu_rpc_http_enabled` | true | Enabled the HTTP JSON-RPC service |
 | `besu_rpc_http_host` | 0.0.0.0 | Specifies the host on which HTTP JSON-RPC listens |
 | `besu_rpc_http_port` | 8545 | Specifies the port on which HTTP JSON-RPC listens |

defaults/main.yml

@@ -33,6 +33,7 @@ besu_network: mainnet
 besu_sync_mode: FAST
 besu_log_level: INFO
 besu_p2p_port: 30303
+besu_min_gas: 1000
 besu_rpc_http_enabled: "true"
 besu_rpc_http_host: 0.0.0.0
 besu_rpc_http_port: 8545

templates/config.toml.j2

@@ -12,6 +12,7 @@ network="{{besu_network}}"
 {% else %}
 genesis-file="{{ besu_genesis_path }}"
 {% endif %}
+min-gas-price={{ besu_min_gas }}
 sync-mode="{{besu_sync_mode}}"
 host-whitelist=[{{besu_host_whitelist|map('to_json')|join(',')}}]